Step |
Hyp |
Ref |
Expression |
1 |
|
brsegle |
⊢ ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) → ( ⟨ 𝐴 , 𝐵 ⟩ Seg≤ ⟨ 𝐶 , 𝐷 ⟩ ↔ ∃ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ( 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ) ) ) |
2 |
|
simprl |
⊢ ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ) ) → 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ ) |
3 |
|
simpl1 |
⊢ ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) → 𝑁 ∈ ℕ ) |
4 |
|
simpl3l |
⊢ ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) → 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ) |
5 |
|
simpl3r |
⊢ ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) → 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) |
6 |
|
simpr |
⊢ ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) → 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) |
7 |
|
btwncolinear2 |
⊢ ( ( 𝑁 ∈ ℕ ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) ) → ( 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ → 𝐶 Colinear ⟨ 𝑦 , 𝐷 ⟩ ) ) |
8 |
3 4 5 6 7
|
syl13anc |
⊢ ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) → ( 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ → 𝐶 Colinear ⟨ 𝑦 , 𝐷 ⟩ ) ) |
9 |
8
|
adantr |
⊢ ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ) ) → ( 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ → 𝐶 Colinear ⟨ 𝑦 , 𝐷 ⟩ ) ) |
10 |
2 9
|
mpd |
⊢ ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ) ) → 𝐶 Colinear ⟨ 𝑦 , 𝐷 ⟩ ) |
11 |
|
simpl2l |
⊢ ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) → 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ) |
12 |
|
simpl2r |
⊢ ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) → 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) |
13 |
|
simprr |
⊢ ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ) ) → ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ) |
14 |
3 11 12 4 6 13
|
cgrcomand |
⊢ ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ) ) → ⟨ 𝐶 , 𝑦 ⟩ Cgr ⟨ 𝐴 , 𝐵 ⟩ ) |
15 |
|
simpl2 |
⊢ ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) → ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ) |
16 |
|
lineext |
⊢ ( ( 𝑁 ∈ ℕ ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ) → ( ( 𝐶 Colinear ⟨ 𝑦 , 𝐷 ⟩ ∧ ⟨ 𝐶 , 𝑦 ⟩ Cgr ⟨ 𝐴 , 𝐵 ⟩ ) → ∃ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ⟨ 𝐶 , ⟨ 𝑦 , 𝐷 ⟩ ⟩ Cgr3 ⟨ 𝐴 , ⟨ 𝐵 , 𝑥 ⟩ ⟩ ) ) |
17 |
3 4 6 5 15 16
|
syl131anc |
⊢ ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) → ( ( 𝐶 Colinear ⟨ 𝑦 , 𝐷 ⟩ ∧ ⟨ 𝐶 , 𝑦 ⟩ Cgr ⟨ 𝐴 , 𝐵 ⟩ ) → ∃ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ⟨ 𝐶 , ⟨ 𝑦 , 𝐷 ⟩ ⟩ Cgr3 ⟨ 𝐴 , ⟨ 𝐵 , 𝑥 ⟩ ⟩ ) ) |
18 |
17
|
adantr |
⊢ ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ) ) → ( ( 𝐶 Colinear ⟨ 𝑦 , 𝐷 ⟩ ∧ ⟨ 𝐶 , 𝑦 ⟩ Cgr ⟨ 𝐴 , 𝐵 ⟩ ) → ∃ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ⟨ 𝐶 , ⟨ 𝑦 , 𝐷 ⟩ ⟩ Cgr3 ⟨ 𝐴 , ⟨ 𝐵 , 𝑥 ⟩ ⟩ ) ) |
19 |
10 14 18
|
mp2and |
⊢ ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ) ) → ∃ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ⟨ 𝐶 , ⟨ 𝑦 , 𝐷 ⟩ ⟩ Cgr3 ⟨ 𝐴 , ⟨ 𝐵 , 𝑥 ⟩ ⟩ ) |
20 |
|
an32 |
⊢ ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ↔ ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) ) |
21 |
|
simpll1 |
⊢ ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) → 𝑁 ∈ ℕ ) |
22 |
|
simpl3l |
⊢ ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) → 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ) |
23 |
22
|
adantr |
⊢ ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) → 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ) |
24 |
|
simpr |
⊢ ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) → 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) |
25 |
|
simpl3r |
⊢ ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) → 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) |
26 |
25
|
adantr |
⊢ ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) → 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) |
27 |
|
simpl2l |
⊢ ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) → 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ) |
28 |
27
|
adantr |
⊢ ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) → 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ) |
29 |
|
simpl2r |
⊢ ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) → 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) |
30 |
29
|
adantr |
⊢ ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) → 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) |
31 |
|
simplr |
⊢ ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) → 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) |
32 |
|
brcgr3 |
⊢ ( ( 𝑁 ∈ ℕ ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ) → ( ⟨ 𝐶 , ⟨ 𝑦 , 𝐷 ⟩ ⟩ Cgr3 ⟨ 𝐴 , ⟨ 𝐵 , 𝑥 ⟩ ⟩ ↔ ( ⟨ 𝐶 , 𝑦 ⟩ Cgr ⟨ 𝐴 , 𝐵 ⟩ ∧ ⟨ 𝐶 , 𝐷 ⟩ Cgr ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝑦 , 𝐷 ⟩ Cgr ⟨ 𝐵 , 𝑥 ⟩ ) ) ) |
33 |
21 23 24 26 28 30 31 32
|
syl133anc |
⊢ ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) → ( ⟨ 𝐶 , ⟨ 𝑦 , 𝐷 ⟩ ⟩ Cgr3 ⟨ 𝐴 , ⟨ 𝐵 , 𝑥 ⟩ ⟩ ↔ ( ⟨ 𝐶 , 𝑦 ⟩ Cgr ⟨ 𝐴 , 𝐵 ⟩ ∧ ⟨ 𝐶 , 𝐷 ⟩ Cgr ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝑦 , 𝐷 ⟩ Cgr ⟨ 𝐵 , 𝑥 ⟩ ) ) ) |
34 |
33
|
adantr |
⊢ ( ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ) ) → ( ⟨ 𝐶 , ⟨ 𝑦 , 𝐷 ⟩ ⟩ Cgr3 ⟨ 𝐴 , ⟨ 𝐵 , 𝑥 ⟩ ⟩ ↔ ( ⟨ 𝐶 , 𝑦 ⟩ Cgr ⟨ 𝐴 , 𝐵 ⟩ ∧ ⟨ 𝐶 , 𝐷 ⟩ Cgr ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝑦 , 𝐷 ⟩ Cgr ⟨ 𝐵 , 𝑥 ⟩ ) ) ) |
35 |
|
simp2l |
⊢ ( ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ) ∧ ( ⟨ 𝐶 , 𝑦 ⟩ Cgr ⟨ 𝐴 , 𝐵 ⟩ ∧ ⟨ 𝐶 , 𝐷 ⟩ Cgr ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝑦 , 𝐷 ⟩ Cgr ⟨ 𝐵 , 𝑥 ⟩ ) ) → 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ ) |
36 |
|
simp3 |
⊢ ( ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ) ∧ ( ⟨ 𝐶 , 𝑦 ⟩ Cgr ⟨ 𝐴 , 𝐵 ⟩ ∧ ⟨ 𝐶 , 𝐷 ⟩ Cgr ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝑦 , 𝐷 ⟩ Cgr ⟨ 𝐵 , 𝑥 ⟩ ) ) → ( ⟨ 𝐶 , 𝑦 ⟩ Cgr ⟨ 𝐴 , 𝐵 ⟩ ∧ ⟨ 𝐶 , 𝐷 ⟩ Cgr ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝑦 , 𝐷 ⟩ Cgr ⟨ 𝐵 , 𝑥 ⟩ ) ) |
37 |
33
|
3ad2ant1 |
⊢ ( ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ) ∧ ( ⟨ 𝐶 , 𝑦 ⟩ Cgr ⟨ 𝐴 , 𝐵 ⟩ ∧ ⟨ 𝐶 , 𝐷 ⟩ Cgr ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝑦 , 𝐷 ⟩ Cgr ⟨ 𝐵 , 𝑥 ⟩ ) ) → ( ⟨ 𝐶 , ⟨ 𝑦 , 𝐷 ⟩ ⟩ Cgr3 ⟨ 𝐴 , ⟨ 𝐵 , 𝑥 ⟩ ⟩ ↔ ( ⟨ 𝐶 , 𝑦 ⟩ Cgr ⟨ 𝐴 , 𝐵 ⟩ ∧ ⟨ 𝐶 , 𝐷 ⟩ Cgr ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝑦 , 𝐷 ⟩ Cgr ⟨ 𝐵 , 𝑥 ⟩ ) ) ) |
38 |
36 37
|
mpbird |
⊢ ( ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ) ∧ ( ⟨ 𝐶 , 𝑦 ⟩ Cgr ⟨ 𝐴 , 𝐵 ⟩ ∧ ⟨ 𝐶 , 𝐷 ⟩ Cgr ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝑦 , 𝐷 ⟩ Cgr ⟨ 𝐵 , 𝑥 ⟩ ) ) → ⟨ 𝐶 , ⟨ 𝑦 , 𝐷 ⟩ ⟩ Cgr3 ⟨ 𝐴 , ⟨ 𝐵 , 𝑥 ⟩ ⟩ ) |
39 |
|
btwnxfr |
⊢ ( ( 𝑁 ∈ ℕ ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ) → ( ( 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐶 , ⟨ 𝑦 , 𝐷 ⟩ ⟩ Cgr3 ⟨ 𝐴 , ⟨ 𝐵 , 𝑥 ⟩ ⟩ ) → 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ) ) |
40 |
21 23 24 26 28 30 31 39
|
syl133anc |
⊢ ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) → ( ( 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐶 , ⟨ 𝑦 , 𝐷 ⟩ ⟩ Cgr3 ⟨ 𝐴 , ⟨ 𝐵 , 𝑥 ⟩ ⟩ ) → 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ) ) |
41 |
40
|
3ad2ant1 |
⊢ ( ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ) ∧ ( ⟨ 𝐶 , 𝑦 ⟩ Cgr ⟨ 𝐴 , 𝐵 ⟩ ∧ ⟨ 𝐶 , 𝐷 ⟩ Cgr ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝑦 , 𝐷 ⟩ Cgr ⟨ 𝐵 , 𝑥 ⟩ ) ) → ( ( 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐶 , ⟨ 𝑦 , 𝐷 ⟩ ⟩ Cgr3 ⟨ 𝐴 , ⟨ 𝐵 , 𝑥 ⟩ ⟩ ) → 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ) ) |
42 |
35 38 41
|
mp2and |
⊢ ( ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ) ∧ ( ⟨ 𝐶 , 𝑦 ⟩ Cgr ⟨ 𝐴 , 𝐵 ⟩ ∧ ⟨ 𝐶 , 𝐷 ⟩ Cgr ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝑦 , 𝐷 ⟩ Cgr ⟨ 𝐵 , 𝑥 ⟩ ) ) → 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ) |
43 |
|
simp32 |
⊢ ( ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ) ∧ ( ⟨ 𝐶 , 𝑦 ⟩ Cgr ⟨ 𝐴 , 𝐵 ⟩ ∧ ⟨ 𝐶 , 𝐷 ⟩ Cgr ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝑦 , 𝐷 ⟩ Cgr ⟨ 𝐵 , 𝑥 ⟩ ) ) → ⟨ 𝐶 , 𝐷 ⟩ Cgr ⟨ 𝐴 , 𝑥 ⟩ ) |
44 |
|
cgrcom |
⊢ ( ( 𝑁 ∈ ℕ ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ) → ( ⟨ 𝐶 , 𝐷 ⟩ Cgr ⟨ 𝐴 , 𝑥 ⟩ ↔ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) ) |
45 |
21 23 26 28 31 44
|
syl122anc |
⊢ ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) → ( ⟨ 𝐶 , 𝐷 ⟩ Cgr ⟨ 𝐴 , 𝑥 ⟩ ↔ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) ) |
46 |
45
|
3ad2ant1 |
⊢ ( ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ) ∧ ( ⟨ 𝐶 , 𝑦 ⟩ Cgr ⟨ 𝐴 , 𝐵 ⟩ ∧ ⟨ 𝐶 , 𝐷 ⟩ Cgr ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝑦 , 𝐷 ⟩ Cgr ⟨ 𝐵 , 𝑥 ⟩ ) ) → ( ⟨ 𝐶 , 𝐷 ⟩ Cgr ⟨ 𝐴 , 𝑥 ⟩ ↔ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) ) |
47 |
43 46
|
mpbid |
⊢ ( ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ) ∧ ( ⟨ 𝐶 , 𝑦 ⟩ Cgr ⟨ 𝐴 , 𝐵 ⟩ ∧ ⟨ 𝐶 , 𝐷 ⟩ Cgr ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝑦 , 𝐷 ⟩ Cgr ⟨ 𝐵 , 𝑥 ⟩ ) ) → ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) |
48 |
42 47
|
jca |
⊢ ( ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ) ∧ ( ⟨ 𝐶 , 𝑦 ⟩ Cgr ⟨ 𝐴 , 𝐵 ⟩ ∧ ⟨ 𝐶 , 𝐷 ⟩ Cgr ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝑦 , 𝐷 ⟩ Cgr ⟨ 𝐵 , 𝑥 ⟩ ) ) → ( 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) ) |
49 |
48
|
3expia |
⊢ ( ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ) ) → ( ( ⟨ 𝐶 , 𝑦 ⟩ Cgr ⟨ 𝐴 , 𝐵 ⟩ ∧ ⟨ 𝐶 , 𝐷 ⟩ Cgr ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝑦 , 𝐷 ⟩ Cgr ⟨ 𝐵 , 𝑥 ⟩ ) → ( 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) ) ) |
50 |
34 49
|
sylbid |
⊢ ( ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ) ) → ( ⟨ 𝐶 , ⟨ 𝑦 , 𝐷 ⟩ ⟩ Cgr3 ⟨ 𝐴 , ⟨ 𝐵 , 𝑥 ⟩ ⟩ → ( 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) ) ) |
51 |
20 50
|
sylanb |
⊢ ( ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ) ) → ( ⟨ 𝐶 , ⟨ 𝑦 , 𝐷 ⟩ ⟩ Cgr3 ⟨ 𝐴 , ⟨ 𝐵 , 𝑥 ⟩ ⟩ → ( 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) ) ) |
52 |
51
|
an32s |
⊢ ( ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) → ( ⟨ 𝐶 , ⟨ 𝑦 , 𝐷 ⟩ ⟩ Cgr3 ⟨ 𝐴 , ⟨ 𝐵 , 𝑥 ⟩ ⟩ → ( 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) ) ) |
53 |
52
|
reximdva |
⊢ ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ) ) → ( ∃ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ⟨ 𝐶 , ⟨ 𝑦 , 𝐷 ⟩ ⟩ Cgr3 ⟨ 𝐴 , ⟨ 𝐵 , 𝑥 ⟩ ⟩ → ∃ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ( 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) ) ) |
54 |
19 53
|
mpd |
⊢ ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ) ) → ∃ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ( 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) ) |
55 |
54
|
rexlimdva2 |
⊢ ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) → ( ∃ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ( 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ) → ∃ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ( 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) ) ) |
56 |
|
simprl |
⊢ ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) ) → 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ) |
57 |
|
simpll1 |
⊢ ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) ) → 𝑁 ∈ ℕ ) |
58 |
27
|
adantr |
⊢ ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) ) → 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ) |
59 |
|
simplr |
⊢ ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) ) → 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) |
60 |
29
|
adantr |
⊢ ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) ) → 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) |
61 |
|
btwncolinear1 |
⊢ ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ) → ( 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ → 𝐴 Colinear ⟨ 𝑥 , 𝐵 ⟩ ) ) |
62 |
57 58 59 60 61
|
syl13anc |
⊢ ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) ) → ( 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ → 𝐴 Colinear ⟨ 𝑥 , 𝐵 ⟩ ) ) |
63 |
56 62
|
mpd |
⊢ ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) ) → 𝐴 Colinear ⟨ 𝑥 , 𝐵 ⟩ ) |
64 |
|
simprr |
⊢ ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) ) → ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) |
65 |
|
simpl1 |
⊢ ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) → 𝑁 ∈ ℕ ) |
66 |
|
simpr |
⊢ ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) → 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) |
67 |
|
simpl3 |
⊢ ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) → ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) |
68 |
|
lineext |
⊢ ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) → ( ( 𝐴 Colinear ⟨ 𝑥 , 𝐵 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) → ∃ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ⟨ 𝐴 , ⟨ 𝑥 , 𝐵 ⟩ ⟩ Cgr3 ⟨ 𝐶 , ⟨ 𝐷 , 𝑦 ⟩ ⟩ ) ) |
69 |
65 27 66 29 67 68
|
syl131anc |
⊢ ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) → ( ( 𝐴 Colinear ⟨ 𝑥 , 𝐵 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) → ∃ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ⟨ 𝐴 , ⟨ 𝑥 , 𝐵 ⟩ ⟩ Cgr3 ⟨ 𝐶 , ⟨ 𝐷 , 𝑦 ⟩ ⟩ ) ) |
70 |
69
|
adantr |
⊢ ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) ) → ( ( 𝐴 Colinear ⟨ 𝑥 , 𝐵 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) → ∃ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ⟨ 𝐴 , ⟨ 𝑥 , 𝐵 ⟩ ⟩ Cgr3 ⟨ 𝐶 , ⟨ 𝐷 , 𝑦 ⟩ ⟩ ) ) |
71 |
63 64 70
|
mp2and |
⊢ ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) ) → ∃ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ⟨ 𝐴 , ⟨ 𝑥 , 𝐵 ⟩ ⟩ Cgr3 ⟨ 𝐶 , ⟨ 𝐷 , 𝑦 ⟩ ⟩ ) |
72 |
27 66 29
|
3jca |
⊢ ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) → ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ) |
73 |
72
|
adantr |
⊢ ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) → ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ) |
74 |
|
brcgr3 |
⊢ ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) ) → ( ⟨ 𝐴 , ⟨ 𝑥 , 𝐵 ⟩ ⟩ Cgr3 ⟨ 𝐶 , ⟨ 𝐷 , 𝑦 ⟩ ⟩ ↔ ( ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ∧ ⟨ 𝑥 , 𝐵 ⟩ Cgr ⟨ 𝐷 , 𝑦 ⟩ ) ) ) |
75 |
21 73 23 26 24 74
|
syl113anc |
⊢ ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) → ( ⟨ 𝐴 , ⟨ 𝑥 , 𝐵 ⟩ ⟩ Cgr3 ⟨ 𝐶 , ⟨ 𝐷 , 𝑦 ⟩ ⟩ ↔ ( ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ∧ ⟨ 𝑥 , 𝐵 ⟩ Cgr ⟨ 𝐷 , 𝑦 ⟩ ) ) ) |
76 |
75
|
adantr |
⊢ ( ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) ) → ( ⟨ 𝐴 , ⟨ 𝑥 , 𝐵 ⟩ ⟩ Cgr3 ⟨ 𝐶 , ⟨ 𝐷 , 𝑦 ⟩ ⟩ ↔ ( ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ∧ ⟨ 𝑥 , 𝐵 ⟩ Cgr ⟨ 𝐷 , 𝑦 ⟩ ) ) ) |
77 |
|
simp2l |
⊢ ( ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) ∧ ( ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ∧ ⟨ 𝑥 , 𝐵 ⟩ Cgr ⟨ 𝐷 , 𝑦 ⟩ ) ) → 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ) |
78 |
|
simp32 |
⊢ ( ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) ∧ ( ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ∧ ⟨ 𝑥 , 𝐵 ⟩ Cgr ⟨ 𝐷 , 𝑦 ⟩ ) ) → ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ) |
79 |
|
simp2r |
⊢ ( ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) ∧ ( ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ∧ ⟨ 𝑥 , 𝐵 ⟩ Cgr ⟨ 𝐷 , 𝑦 ⟩ ) ) → ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) |
80 |
|
simp33 |
⊢ ( ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) ∧ ( ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ∧ ⟨ 𝑥 , 𝐵 ⟩ Cgr ⟨ 𝐷 , 𝑦 ⟩ ) ) → ⟨ 𝑥 , 𝐵 ⟩ Cgr ⟨ 𝐷 , 𝑦 ⟩ ) |
81 |
|
cgrcomlr |
⊢ ( ( 𝑁 ∈ ℕ ∧ ( 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) ) → ( ⟨ 𝑥 , 𝐵 ⟩ Cgr ⟨ 𝐷 , 𝑦 ⟩ ↔ ⟨ 𝐵 , 𝑥 ⟩ Cgr ⟨ 𝑦 , 𝐷 ⟩ ) ) |
82 |
21 31 30 26 24 81
|
syl122anc |
⊢ ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) → ( ⟨ 𝑥 , 𝐵 ⟩ Cgr ⟨ 𝐷 , 𝑦 ⟩ ↔ ⟨ 𝐵 , 𝑥 ⟩ Cgr ⟨ 𝑦 , 𝐷 ⟩ ) ) |
83 |
82
|
3ad2ant1 |
⊢ ( ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) ∧ ( ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ∧ ⟨ 𝑥 , 𝐵 ⟩ Cgr ⟨ 𝐷 , 𝑦 ⟩ ) ) → ( ⟨ 𝑥 , 𝐵 ⟩ Cgr ⟨ 𝐷 , 𝑦 ⟩ ↔ ⟨ 𝐵 , 𝑥 ⟩ Cgr ⟨ 𝑦 , 𝐷 ⟩ ) ) |
84 |
80 83
|
mpbid |
⊢ ( ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) ∧ ( ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ∧ ⟨ 𝑥 , 𝐵 ⟩ Cgr ⟨ 𝐷 , 𝑦 ⟩ ) ) → ⟨ 𝐵 , 𝑥 ⟩ Cgr ⟨ 𝑦 , 𝐷 ⟩ ) |
85 |
78 79 84
|
3jca |
⊢ ( ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) ∧ ( ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ∧ ⟨ 𝑥 , 𝐵 ⟩ Cgr ⟨ 𝐷 , 𝑦 ⟩ ) ) → ( ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐵 , 𝑥 ⟩ Cgr ⟨ 𝑦 , 𝐷 ⟩ ) ) |
86 |
|
brcgr3 |
⊢ ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) → ( ⟨ 𝐴 , ⟨ 𝐵 , 𝑥 ⟩ ⟩ Cgr3 ⟨ 𝐶 , ⟨ 𝑦 , 𝐷 ⟩ ⟩ ↔ ( ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐵 , 𝑥 ⟩ Cgr ⟨ 𝑦 , 𝐷 ⟩ ) ) ) |
87 |
21 28 30 31 23 24 26 86
|
syl133anc |
⊢ ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) → ( ⟨ 𝐴 , ⟨ 𝐵 , 𝑥 ⟩ ⟩ Cgr3 ⟨ 𝐶 , ⟨ 𝑦 , 𝐷 ⟩ ⟩ ↔ ( ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐵 , 𝑥 ⟩ Cgr ⟨ 𝑦 , 𝐷 ⟩ ) ) ) |
88 |
87
|
3ad2ant1 |
⊢ ( ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) ∧ ( ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ∧ ⟨ 𝑥 , 𝐵 ⟩ Cgr ⟨ 𝐷 , 𝑦 ⟩ ) ) → ( ⟨ 𝐴 , ⟨ 𝐵 , 𝑥 ⟩ ⟩ Cgr3 ⟨ 𝐶 , ⟨ 𝑦 , 𝐷 ⟩ ⟩ ↔ ( ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐵 , 𝑥 ⟩ Cgr ⟨ 𝑦 , 𝐷 ⟩ ) ) ) |
89 |
85 88
|
mpbird |
⊢ ( ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) ∧ ( ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ∧ ⟨ 𝑥 , 𝐵 ⟩ Cgr ⟨ 𝐷 , 𝑦 ⟩ ) ) → ⟨ 𝐴 , ⟨ 𝐵 , 𝑥 ⟩ ⟩ Cgr3 ⟨ 𝐶 , ⟨ 𝑦 , 𝐷 ⟩ ⟩ ) |
90 |
|
btwnxfr |
⊢ ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) → ( ( 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝐴 , ⟨ 𝐵 , 𝑥 ⟩ ⟩ Cgr3 ⟨ 𝐶 , ⟨ 𝑦 , 𝐷 ⟩ ⟩ ) → 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ ) ) |
91 |
21 28 30 31 23 24 26 90
|
syl133anc |
⊢ ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) → ( ( 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝐴 , ⟨ 𝐵 , 𝑥 ⟩ ⟩ Cgr3 ⟨ 𝐶 , ⟨ 𝑦 , 𝐷 ⟩ ⟩ ) → 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ ) ) |
92 |
91
|
3ad2ant1 |
⊢ ( ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) ∧ ( ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ∧ ⟨ 𝑥 , 𝐵 ⟩ Cgr ⟨ 𝐷 , 𝑦 ⟩ ) ) → ( ( 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝐴 , ⟨ 𝐵 , 𝑥 ⟩ ⟩ Cgr3 ⟨ 𝐶 , ⟨ 𝑦 , 𝐷 ⟩ ⟩ ) → 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ ) ) |
93 |
77 89 92
|
mp2and |
⊢ ( ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) ∧ ( ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ∧ ⟨ 𝑥 , 𝐵 ⟩ Cgr ⟨ 𝐷 , 𝑦 ⟩ ) ) → 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ ) |
94 |
93 78
|
jca |
⊢ ( ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) ∧ ( ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ∧ ⟨ 𝑥 , 𝐵 ⟩ Cgr ⟨ 𝐷 , 𝑦 ⟩ ) ) → ( 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ) ) |
95 |
94
|
3expia |
⊢ ( ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) ) → ( ( ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ∧ ⟨ 𝑥 , 𝐵 ⟩ Cgr ⟨ 𝐷 , 𝑦 ⟩ ) → ( 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ) ) ) |
96 |
76 95
|
sylbid |
⊢ ( ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) ) → ( ⟨ 𝐴 , ⟨ 𝑥 , 𝐵 ⟩ ⟩ Cgr3 ⟨ 𝐶 , ⟨ 𝐷 , 𝑦 ⟩ ⟩ → ( 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ) ) ) |
97 |
96
|
an32s |
⊢ ( ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) ) ∧ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ) → ( ⟨ 𝐴 , ⟨ 𝑥 , 𝐵 ⟩ ⟩ Cgr3 ⟨ 𝐶 , ⟨ 𝐷 , 𝑦 ⟩ ⟩ → ( 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ) ) ) |
98 |
97
|
reximdva |
⊢ ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) ) → ( ∃ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ⟨ 𝐴 , ⟨ 𝑥 , 𝐵 ⟩ ⟩ Cgr3 ⟨ 𝐶 , ⟨ 𝐷 , 𝑦 ⟩ ⟩ → ∃ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ( 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ) ) ) |
99 |
71 98
|
mpd |
⊢ ( ( ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) ∧ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) ) → ∃ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ( 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ) ) |
100 |
99
|
rexlimdva2 |
⊢ ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) → ( ∃ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ( 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) → ∃ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ( 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ) ) ) |
101 |
55 100
|
impbid |
⊢ ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) → ( ∃ 𝑦 ∈ ( 𝔼 ‘ 𝑁 ) ( 𝑦 Btwn ⟨ 𝐶 , 𝐷 ⟩ ∧ ⟨ 𝐴 , 𝐵 ⟩ Cgr ⟨ 𝐶 , 𝑦 ⟩ ) ↔ ∃ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ( 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) ) ) |
102 |
1 101
|
bitrd |
⊢ ( ( 𝑁 ∈ ℕ ∧ ( 𝐴 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐵 ∈ ( 𝔼 ‘ 𝑁 ) ) ∧ ( 𝐶 ∈ ( 𝔼 ‘ 𝑁 ) ∧ 𝐷 ∈ ( 𝔼 ‘ 𝑁 ) ) ) → ( ⟨ 𝐴 , 𝐵 ⟩ Seg≤ ⟨ 𝐶 , 𝐷 ⟩ ↔ ∃ 𝑥 ∈ ( 𝔼 ‘ 𝑁 ) ( 𝐵 Btwn ⟨ 𝐴 , 𝑥 ⟩ ∧ ⟨ 𝐴 , 𝑥 ⟩ Cgr ⟨ 𝐶 , 𝐷 ⟩ ) ) ) |