Metamath Proof Explorer


Theorem iccpartnel

Description: A point of a partition is not an element of any open interval determined by the partition. Corresponds to fourierdlem12 in GS's mathbox. (Contributed by Glauco Siliprandi, 11-Dec-2019) (Revised by AV, 8-Jul-2020)

Ref Expression
Hypotheses iccpartnel.m ⊢ φ → M ∈ ℕ
iccpartnel.p ⊢ φ → P ∈ RePart ⁡ M
iccpartnel.x ⊢ φ → X ∈ ran ⁡ P
Assertion iccpartnel ⊢ φ ∧ I ∈ 0 ..^ M → ¬ X ∈ P ⁡ I P ⁡ I + 1

Proof

Step Hyp Ref Expression
1 iccpartnel.m ⊢ φ → M ∈ ℕ
2 iccpartnel.p ⊢ φ → P ∈ RePart ⁡ M
3 iccpartnel.x ⊢ φ → X ∈ ran ⁡ P
4 elioo3g ⊢ X ∈ P ⁡ I P ⁡ I + 1 ↔ P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * ∧ P ⁡ I < X ∧ X < P ⁡ I + 1
5 iccpart ⊢ M ∈ ℕ → P ∈ RePart ⁡ M ↔ P ∈ ℝ * 0 … M ∧ ∀ i ∈ 0 ..^ M P ⁡ i < P ⁡ i + 1
6 1 5 syl ⊢ φ → P ∈ RePart ⁡ M ↔ P ∈ ℝ * 0 … M ∧ ∀ i ∈ 0 ..^ M P ⁡ i < P ⁡ i + 1
7 elmapfn ⊢ P ∈ ℝ * 0 … M → P Fn 0 … M
8 7 adantr ⊢ P ∈ ℝ * 0 … M ∧ ∀ i ∈ 0 ..^ M P ⁡ i < P ⁡ i + 1 → P Fn 0 … M
9 6 8 biimtrdi ⊢ φ → P ∈ RePart ⁡ M → P Fn 0 … M
10 2 9 mpd ⊢ φ → P Fn 0 … M
11 fvelrnb ⊢ P Fn 0 … M → X ∈ ran ⁡ P ↔ ∃ x ∈ 0 … M P ⁡ x = X
12 10 11 syl ⊢ φ → X ∈ ran ⁡ P ↔ ∃ x ∈ 0 … M P ⁡ x = X
13 3 12 mpbid ⊢ φ → ∃ x ∈ 0 … M P ⁡ x = X
14 elfzelz ⊢ x ∈ 0 … M → x ∈ ℤ
15 14 zred ⊢ x ∈ 0 … M → x ∈ ℝ
16 15 adantl ⊢ φ ∧ x ∈ 0 … M → x ∈ ℝ
17 elfzoelz ⊢ I ∈ 0 ..^ M → I ∈ ℤ
18 17 zred ⊢ I ∈ 0 ..^ M → I ∈ ℝ
19 lelttric ⊢ x ∈ ℝ ∧ I ∈ ℝ → x ≤ I ∨ I < x
20 16 18 19 syl2an ⊢ φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → x ≤ I ∨ I < x
21 breq2 ⊢ P ⁡ x = X → P ⁡ I < P ⁡ x ↔ P ⁡ I < X
22 breq1 ⊢ P ⁡ x = X → P ⁡ x < P ⁡ I + 1 ↔ X < P ⁡ I + 1
23 21 22 anbi12d ⊢ P ⁡ x = X → P ⁡ I < P ⁡ x ∧ P ⁡ x < P ⁡ I + 1 ↔ P ⁡ I < X ∧ X < P ⁡ I + 1
24 leloe ⊢ x ∈ ℝ ∧ I ∈ ℝ → x ≤ I ↔ x < I ∨ x = I
25 16 18 24 syl2an ⊢ φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → x ≤ I ↔ x < I ∨ x = I
26 1 2 iccpartgt ⊢ φ → ∀ i ∈ 0 … M ∀ k ∈ 0 … M i < k → P ⁡ i < P ⁡ k
27 26 adantr ⊢ φ ∧ x ∈ 0 … M → ∀ i ∈ 0 … M ∀ k ∈ 0 … M i < k → P ⁡ i < P ⁡ k
28 27 adantr ⊢ φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → ∀ i ∈ 0 … M ∀ k ∈ 0 … M i < k → P ⁡ i < P ⁡ k
29 simpr ⊢ φ ∧ x ∈ 0 … M → x ∈ 0 … M
30 elfzofz ⊢ I ∈ 0 ..^ M → I ∈ 0 … M
31 breq1 ⊢ i = x → i < k ↔ x < k
32 fveq2 ⊢ i = x → P ⁡ i = P ⁡ x
33 32 breq1d ⊢ i = x → P ⁡ i < P ⁡ k ↔ P ⁡ x < P ⁡ k
34 31 33 imbi12d ⊢ i = x → i < k → P ⁡ i < P ⁡ k ↔ x < k → P ⁡ x < P ⁡ k
35 breq2 ⊢ k = I → x < k ↔ x < I
36 fveq2 ⊢ k = I → P ⁡ k = P ⁡ I
37 36 breq2d ⊢ k = I → P ⁡ x < P ⁡ k ↔ P ⁡ x < P ⁡ I
38 35 37 imbi12d ⊢ k = I → x < k → P ⁡ x < P ⁡ k ↔ x < I → P ⁡ x < P ⁡ I
39 34 38 rspc2v ⊢ x ∈ 0 … M ∧ I ∈ 0 … M → ∀ i ∈ 0 … M ∀ k ∈ 0 … M i < k → P ⁡ i < P ⁡ k → x < I → P ⁡ x < P ⁡ I
40 29 30 39 syl2an ⊢ φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → ∀ i ∈ 0 … M ∀ k ∈ 0 … M i < k → P ⁡ i < P ⁡ k → x < I → P ⁡ x < P ⁡ I
41 28 40 mpd ⊢ φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → x < I → P ⁡ x < P ⁡ I
42 pm3.35 ⊢ x < I ∧ x < I → P ⁡ x < P ⁡ I → P ⁡ x < P ⁡ I
43 1 adantr ⊢ φ ∧ x ∈ 0 … M → M ∈ ℕ
44 2 adantr ⊢ φ ∧ x ∈ 0 … M → P ∈ RePart ⁡ M
45 43 44 29 iccpartxr ⊢ φ ∧ x ∈ 0 … M → P ⁡ x ∈ ℝ *
46 45 adantr ⊢ φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → P ⁡ x ∈ ℝ *
47 simp1 ⊢ P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → P ⁡ I ∈ ℝ *
48 xrltle ⊢ P ⁡ x ∈ ℝ * ∧ P ⁡ I ∈ ℝ * → P ⁡ x < P ⁡ I → P ⁡ x ≤ P ⁡ I
49 46 47 48 syl2anr ⊢ P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * ∧ φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → P ⁡ x < P ⁡ I → P ⁡ x ≤ P ⁡ I
50 xrlenlt ⊢ P ⁡ x ∈ ℝ * ∧ P ⁡ I ∈ ℝ * → P ⁡ x ≤ P ⁡ I ↔ ¬ P ⁡ I < P ⁡ x
51 46 47 50 syl2anr ⊢ P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * ∧ φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → P ⁡ x ≤ P ⁡ I ↔ ¬ P ⁡ I < P ⁡ x
52 49 51 sylibd ⊢ P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * ∧ φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → P ⁡ x < P ⁡ I → ¬ P ⁡ I < P ⁡ x
53 52 ex ⊢ P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → P ⁡ x < P ⁡ I → ¬ P ⁡ I < P ⁡ x
54 53 com13 ⊢ P ⁡ x < P ⁡ I → φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → ¬ P ⁡ I < P ⁡ x
55 54 imp ⊢ P ⁡ x < P ⁡ I ∧ φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → ¬ P ⁡ I < P ⁡ x
56 55 imp ⊢ P ⁡ x < P ⁡ I ∧ φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M ∧ P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → ¬ P ⁡ I < P ⁡ x
57 56 pm2.21d ⊢ P ⁡ x < P ⁡ I ∧ φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M ∧ P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → P ⁡ I < P ⁡ x → ¬ X ∈ P ⁡ I P ⁡ I + 1
58 57 ex ⊢ P ⁡ x < P ⁡ I ∧ φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → P ⁡ I < P ⁡ x → ¬ X ∈ P ⁡ I P ⁡ I + 1
59 58 ex ⊢ P ⁡ x < P ⁡ I → φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → P ⁡ I < P ⁡ x → ¬ X ∈ P ⁡ I P ⁡ I + 1
60 42 59 syl ⊢ x < I ∧ x < I → P ⁡ x < P ⁡ I → φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → P ⁡ I < P ⁡ x → ¬ X ∈ P ⁡ I P ⁡ I + 1
61 60 ex ⊢ x < I → x < I → P ⁡ x < P ⁡ I → φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → P ⁡ I < P ⁡ x → ¬ X ∈ P ⁡ I P ⁡ I + 1
62 61 com13 ⊢ φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → x < I → P ⁡ x < P ⁡ I → x < I → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → P ⁡ I < P ⁡ x → ¬ X ∈ P ⁡ I P ⁡ I + 1
63 41 62 mpd ⊢ φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → x < I → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → P ⁡ I < P ⁡ x → ¬ X ∈ P ⁡ I P ⁡ I + 1
64 63 com12 ⊢ x < I → φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → P ⁡ I < P ⁡ x → ¬ X ∈ P ⁡ I P ⁡ I + 1
65 fveq2 ⊢ x = I → P ⁡ x = P ⁡ I
66 65 breq2d ⊢ x = I → P ⁡ I < P ⁡ x ↔ P ⁡ I < P ⁡ I
67 66 adantr ⊢ x = I ∧ P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → P ⁡ I < P ⁡ x ↔ P ⁡ I < P ⁡ I
68 xrltnr ⊢ P ⁡ I ∈ ℝ * → ¬ P ⁡ I < P ⁡ I
69 68 3ad2ant1 ⊢ P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → ¬ P ⁡ I < P ⁡ I
70 69 adantl ⊢ x = I ∧ P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → ¬ P ⁡ I < P ⁡ I
71 70 pm2.21d ⊢ x = I ∧ P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → P ⁡ I < P ⁡ I → ¬ X ∈ P ⁡ I P ⁡ I + 1
72 67 71 sylbid ⊢ x = I ∧ P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → P ⁡ I < P ⁡ x → ¬ X ∈ P ⁡ I P ⁡ I + 1
73 72 ex ⊢ x = I → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → P ⁡ I < P ⁡ x → ¬ X ∈ P ⁡ I P ⁡ I + 1
74 73 a1d ⊢ x = I → φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → P ⁡ I < P ⁡ x → ¬ X ∈ P ⁡ I P ⁡ I + 1
75 64 74 jaoi ⊢ x < I ∨ x = I → φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → P ⁡ I < P ⁡ x → ¬ X ∈ P ⁡ I P ⁡ I + 1
76 75 com12 ⊢ φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → x < I ∨ x = I → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → P ⁡ I < P ⁡ x → ¬ X ∈ P ⁡ I P ⁡ I + 1
77 25 76 sylbid ⊢ φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → x ≤ I → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → P ⁡ I < P ⁡ x → ¬ X ∈ P ⁡ I P ⁡ I + 1
78 77 com23 ⊢ φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → x ≤ I → P ⁡ I < P ⁡ x → ¬ X ∈ P ⁡ I P ⁡ I + 1
79 78 com14 ⊢ P ⁡ I < P ⁡ x → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → x ≤ I → φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → ¬ X ∈ P ⁡ I P ⁡ I + 1
80 79 adantr ⊢ P ⁡ I < P ⁡ x ∧ P ⁡ x < P ⁡ I + 1 → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → x ≤ I → φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → ¬ X ∈ P ⁡ I P ⁡ I + 1
81 23 80 biimtrrdi ⊢ P ⁡ x = X → P ⁡ I < X ∧ X < P ⁡ I + 1 → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → x ≤ I → φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → ¬ X ∈ P ⁡ I P ⁡ I + 1
82 81 com14 ⊢ x ≤ I → P ⁡ I < X ∧ X < P ⁡ I + 1 → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → P ⁡ x = X → φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → ¬ X ∈ P ⁡ I P ⁡ I + 1
83 82 com23 ⊢ x ≤ I → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → P ⁡ I < X ∧ X < P ⁡ I + 1 → P ⁡ x = X → φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → ¬ X ∈ P ⁡ I P ⁡ I + 1
84 83 impd ⊢ x ≤ I → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * ∧ P ⁡ I < X ∧ X < P ⁡ I + 1 → P ⁡ x = X → φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → ¬ X ∈ P ⁡ I P ⁡ I + 1
85 84 com24 ⊢ x ≤ I → φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → P ⁡ x = X → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * ∧ P ⁡ I < X ∧ X < P ⁡ I + 1 → ¬ X ∈ P ⁡ I P ⁡ I + 1
86 14 adantl ⊢ φ ∧ x ∈ 0 … M → x ∈ ℤ
87 zltp1le ⊢ I ∈ ℤ ∧ x ∈ ℤ → I < x ↔ I + 1 ≤ x
88 17 86 87 syl2anr ⊢ φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → I < x ↔ I + 1 ≤ x
89 17 peano2zd ⊢ I ∈ 0 ..^ M → I + 1 ∈ ℤ
90 89 zred ⊢ I ∈ 0 ..^ M → I + 1 ∈ ℝ
91 leloe ⊢ I + 1 ∈ ℝ ∧ x ∈ ℝ → I + 1 ≤ x ↔ I + 1 < x ∨ I + 1 = x
92 90 16 91 syl2anr ⊢ φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → I + 1 ≤ x ↔ I + 1 < x ∨ I + 1 = x
93 88 92 bitrd ⊢ φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → I < x ↔ I + 1 < x ∨ I + 1 = x
94 fzofzp1 ⊢ I ∈ 0 ..^ M → I + 1 ∈ 0 … M
95 breq1 ⊢ i = I + 1 → i < k ↔ I + 1 < k
96 fveq2 ⊢ i = I + 1 → P ⁡ i = P ⁡ I + 1
97 96 breq1d ⊢ i = I + 1 → P ⁡ i < P ⁡ k ↔ P ⁡ I + 1 < P ⁡ k
98 95 97 imbi12d ⊢ i = I + 1 → i < k → P ⁡ i < P ⁡ k ↔ I + 1 < k → P ⁡ I + 1 < P ⁡ k
99 breq2 ⊢ k = x → I + 1 < k ↔ I + 1 < x
100 fveq2 ⊢ k = x → P ⁡ k = P ⁡ x
101 100 breq2d ⊢ k = x → P ⁡ I + 1 < P ⁡ k ↔ P ⁡ I + 1 < P ⁡ x
102 99 101 imbi12d ⊢ k = x → I + 1 < k → P ⁡ I + 1 < P ⁡ k ↔ I + 1 < x → P ⁡ I + 1 < P ⁡ x
103 98 102 rspc2v ⊢ I + 1 ∈ 0 … M ∧ x ∈ 0 … M → ∀ i ∈ 0 … M ∀ k ∈ 0 … M i < k → P ⁡ i < P ⁡ k → I + 1 < x → P ⁡ I + 1 < P ⁡ x
104 94 29 103 syl2anr ⊢ φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → ∀ i ∈ 0 … M ∀ k ∈ 0 … M i < k → P ⁡ i < P ⁡ k → I + 1 < x → P ⁡ I + 1 < P ⁡ x
105 28 104 mpd ⊢ φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → I + 1 < x → P ⁡ I + 1 < P ⁡ x
106 pm3.35 ⊢ I + 1 < x ∧ I + 1 < x → P ⁡ I + 1 < P ⁡ x → P ⁡ I + 1 < P ⁡ x
107 simp2 ⊢ P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → P ⁡ I + 1 ∈ ℝ *
108 xrltnsym ⊢ P ⁡ x ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * → P ⁡ x < P ⁡ I + 1 → ¬ P ⁡ I + 1 < P ⁡ x
109 46 107 108 syl2an ⊢ φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M ∧ P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → P ⁡ x < P ⁡ I + 1 → ¬ P ⁡ I + 1 < P ⁡ x
110 109 imp ⊢ φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M ∧ P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * ∧ P ⁡ x < P ⁡ I + 1 → ¬ P ⁡ I + 1 < P ⁡ x
111 110 pm2.21d ⊢ φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M ∧ P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * ∧ P ⁡ x < P ⁡ I + 1 → P ⁡ I + 1 < P ⁡ x → ¬ X ∈ P ⁡ I P ⁡ I + 1
112 111 expcom ⊢ P ⁡ x < P ⁡ I + 1 → φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M ∧ P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → P ⁡ I + 1 < P ⁡ x → ¬ X ∈ P ⁡ I P ⁡ I + 1
113 112 expd ⊢ P ⁡ x < P ⁡ I + 1 → φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → P ⁡ I + 1 < P ⁡ x → ¬ X ∈ P ⁡ I P ⁡ I + 1
114 113 adantl ⊢ P ⁡ I < P ⁡ x ∧ P ⁡ x < P ⁡ I + 1 → φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → P ⁡ I + 1 < P ⁡ x → ¬ X ∈ P ⁡ I P ⁡ I + 1
115 114 com14 ⊢ P ⁡ I + 1 < P ⁡ x → φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → P ⁡ I < P ⁡ x ∧ P ⁡ x < P ⁡ I + 1 → ¬ X ∈ P ⁡ I P ⁡ I + 1
116 106 115 syl ⊢ I + 1 < x ∧ I + 1 < x → P ⁡ I + 1 < P ⁡ x → φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → P ⁡ I < P ⁡ x ∧ P ⁡ x < P ⁡ I + 1 → ¬ X ∈ P ⁡ I P ⁡ I + 1
117 116 ex ⊢ I + 1 < x → I + 1 < x → P ⁡ I + 1 < P ⁡ x → φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → P ⁡ I < P ⁡ x ∧ P ⁡ x < P ⁡ I + 1 → ¬ X ∈ P ⁡ I P ⁡ I + 1
118 117 com13 ⊢ φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → I + 1 < x → P ⁡ I + 1 < P ⁡ x → I + 1 < x → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → P ⁡ I < P ⁡ x ∧ P ⁡ x < P ⁡ I + 1 → ¬ X ∈ P ⁡ I P ⁡ I + 1
119 105 118 mpd ⊢ φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → I + 1 < x → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → P ⁡ I < P ⁡ x ∧ P ⁡ x < P ⁡ I + 1 → ¬ X ∈ P ⁡ I P ⁡ I + 1
120 119 com12 ⊢ I + 1 < x → φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → P ⁡ I < P ⁡ x ∧ P ⁡ x < P ⁡ I + 1 → ¬ X ∈ P ⁡ I P ⁡ I + 1
121 fveq2 ⊢ I + 1 = x → P ⁡ I + 1 = P ⁡ x
122 121 breq2d ⊢ I + 1 = x → P ⁡ I < P ⁡ I + 1 ↔ P ⁡ I < P ⁡ x
123 121 breq1d ⊢ I + 1 = x → P ⁡ I + 1 < P ⁡ I + 1 ↔ P ⁡ x < P ⁡ I + 1
124 122 123 anbi12d ⊢ I + 1 = x → P ⁡ I < P ⁡ I + 1 ∧ P ⁡ I + 1 < P ⁡ I + 1 ↔ P ⁡ I < P ⁡ x ∧ P ⁡ x < P ⁡ I + 1
125 xrltnr ⊢ P ⁡ I + 1 ∈ ℝ * → ¬ P ⁡ I + 1 < P ⁡ I + 1
126 125 3ad2ant2 ⊢ P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → ¬ P ⁡ I + 1 < P ⁡ I + 1
127 126 pm2.21d ⊢ P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → P ⁡ I + 1 < P ⁡ I + 1 → ¬ X ∈ P ⁡ I P ⁡ I + 1
128 127 com12 ⊢ P ⁡ I + 1 < P ⁡ I + 1 → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → ¬ X ∈ P ⁡ I P ⁡ I + 1
129 128 adantl ⊢ P ⁡ I < P ⁡ I + 1 ∧ P ⁡ I + 1 < P ⁡ I + 1 → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → ¬ X ∈ P ⁡ I P ⁡ I + 1
130 124 129 biimtrrdi ⊢ I + 1 = x → P ⁡ I < P ⁡ x ∧ P ⁡ x < P ⁡ I + 1 → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → ¬ X ∈ P ⁡ I P ⁡ I + 1
131 130 com23 ⊢ I + 1 = x → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → P ⁡ I < P ⁡ x ∧ P ⁡ x < P ⁡ I + 1 → ¬ X ∈ P ⁡ I P ⁡ I + 1
132 131 a1d ⊢ I + 1 = x → φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → P ⁡ I < P ⁡ x ∧ P ⁡ x < P ⁡ I + 1 → ¬ X ∈ P ⁡ I P ⁡ I + 1
133 120 132 jaoi ⊢ I + 1 < x ∨ I + 1 = x → φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → P ⁡ I < P ⁡ x ∧ P ⁡ x < P ⁡ I + 1 → ¬ X ∈ P ⁡ I P ⁡ I + 1
134 133 com12 ⊢ φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → I + 1 < x ∨ I + 1 = x → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → P ⁡ I < P ⁡ x ∧ P ⁡ x < P ⁡ I + 1 → ¬ X ∈ P ⁡ I P ⁡ I + 1
135 93 134 sylbid ⊢ φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → I < x → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → P ⁡ I < P ⁡ x ∧ P ⁡ x < P ⁡ I + 1 → ¬ X ∈ P ⁡ I P ⁡ I + 1
136 135 com23 ⊢ φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → I < x → P ⁡ I < P ⁡ x ∧ P ⁡ x < P ⁡ I + 1 → ¬ X ∈ P ⁡ I P ⁡ I + 1
137 136 com14 ⊢ P ⁡ I < P ⁡ x ∧ P ⁡ x < P ⁡ I + 1 → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → I < x → φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → ¬ X ∈ P ⁡ I P ⁡ I + 1
138 23 137 biimtrrdi ⊢ P ⁡ x = X → P ⁡ I < X ∧ X < P ⁡ I + 1 → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → I < x → φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → ¬ X ∈ P ⁡ I P ⁡ I + 1
139 138 com14 ⊢ I < x → P ⁡ I < X ∧ X < P ⁡ I + 1 → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → P ⁡ x = X → φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → ¬ X ∈ P ⁡ I P ⁡ I + 1
140 139 com23 ⊢ I < x → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * → P ⁡ I < X ∧ X < P ⁡ I + 1 → P ⁡ x = X → φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → ¬ X ∈ P ⁡ I P ⁡ I + 1
141 140 impd ⊢ I < x → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * ∧ P ⁡ I < X ∧ X < P ⁡ I + 1 → P ⁡ x = X → φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → ¬ X ∈ P ⁡ I P ⁡ I + 1
142 141 com24 ⊢ I < x → φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → P ⁡ x = X → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * ∧ P ⁡ I < X ∧ X < P ⁡ I + 1 → ¬ X ∈ P ⁡ I P ⁡ I + 1
143 85 142 jaoi ⊢ x ≤ I ∨ I < x → φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → P ⁡ x = X → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * ∧ P ⁡ I < X ∧ X < P ⁡ I + 1 → ¬ X ∈ P ⁡ I P ⁡ I + 1
144 143 com12 ⊢ φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → x ≤ I ∨ I < x → P ⁡ x = X → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * ∧ P ⁡ I < X ∧ X < P ⁡ I + 1 → ¬ X ∈ P ⁡ I P ⁡ I + 1
145 20 144 mpd ⊢ φ ∧ x ∈ 0 … M ∧ I ∈ 0 ..^ M → P ⁡ x = X → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * ∧ P ⁡ I < X ∧ X < P ⁡ I + 1 → ¬ X ∈ P ⁡ I P ⁡ I + 1
146 145 ex ⊢ φ ∧ x ∈ 0 … M → I ∈ 0 ..^ M → P ⁡ x = X → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * ∧ P ⁡ I < X ∧ X < P ⁡ I + 1 → ¬ X ∈ P ⁡ I P ⁡ I + 1
147 146 com23 ⊢ φ ∧ x ∈ 0 … M → P ⁡ x = X → I ∈ 0 ..^ M → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * ∧ P ⁡ I < X ∧ X < P ⁡ I + 1 → ¬ X ∈ P ⁡ I P ⁡ I + 1
148 147 rexlimdva ⊢ φ → ∃ x ∈ 0 … M P ⁡ x = X → I ∈ 0 ..^ M → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * ∧ P ⁡ I < X ∧ X < P ⁡ I + 1 → ¬ X ∈ P ⁡ I P ⁡ I + 1
149 13 148 mpd ⊢ φ → I ∈ 0 ..^ M → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * ∧ P ⁡ I < X ∧ X < P ⁡ I + 1 → ¬ X ∈ P ⁡ I P ⁡ I + 1
150 149 imp ⊢ φ ∧ I ∈ 0 ..^ M → P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * ∧ P ⁡ I < X ∧ X < P ⁡ I + 1 → ¬ X ∈ P ⁡ I P ⁡ I + 1
151 150 com12 ⊢ P ⁡ I ∈ ℝ * ∧ P ⁡ I + 1 ∈ ℝ * ∧ X ∈ ℝ * ∧ P ⁡ I < X ∧ X < P ⁡ I + 1 → φ ∧ I ∈ 0 ..^ M → ¬ X ∈ P ⁡ I P ⁡ I + 1
152 4 151 sylbi ⊢ X ∈ P ⁡ I P ⁡ I + 1 → φ ∧ I ∈ 0 ..^ M → ¬ X ∈ P ⁡ I P ⁡ I + 1
153 ax-1 ⊢ ¬ X ∈ P ⁡ I P ⁡ I + 1 → φ ∧ I ∈ 0 ..^ M → ¬ X ∈ P ⁡ I P ⁡ I + 1
154 152 153 pm2.61i ⊢ φ ∧ I ∈ 0 ..^ M → ¬ X ∈ P ⁡ I P ⁡ I + 1