Metamath Proof Explorer


Theorem hdmap1eq2

Description: Convert mapdheq2 to use HDMap1 function. (Contributed by NM, 16-May-2015)

Ref Expression
Hypotheses hdmap1eq2.h ⊢ H = LHyp ⁡ K
hdmap1eq2.u ⊢ U = DVecH ⁡ K ⁡ W
hdmap1eq2.v ⊢ V = Base U
hdmap1eq2.o ⊢ 0 ˙ = 0 U
hdmap1eq2.n ⊢ N = LSpan ⁡ U
hdmap1eq2.c ⊢ C = LCDual ⁡ K ⁡ W
hdmap1eq2.d ⊢ D = Base C
hdmap1eq2.l ⊢ L = LSpan ⁡ C
hdmap1eq2.m ⊢ M = mapd ⁡ K ⁡ W
hdmap1eq2.i ⊢ I = HDMap1 ⁡ K ⁡ W
hdmap1eq2.k ⊢ φ → K ∈ HL ∧ W ∈ H
hdmap1eq2.f ⊢ φ → F ∈ D
hdmap1eq2.mn ⊢ φ → M ⁡ N ⁡ X = L ⁡ F
hdmap1eq2.ne ⊢ φ → N ⁡ X ≠ N ⁡ Y
hdmap1eq2.x ⊢ φ → X ∈ V ∖ 0 ˙
hdmap1eq2.y ⊢ φ → Y ∈ V ∖ 0 ˙
hdmap1eq2.e ⊢ φ → I ⁡ X F Y = G
Assertion hdmap1eq2 ⊢ φ → I ⁡ Y G X = F

Proof

Step Hyp Ref Expression
1 hdmap1eq2.h ⊢ H = LHyp ⁡ K
2 hdmap1eq2.u ⊢ U = DVecH ⁡ K ⁡ W
3 hdmap1eq2.v ⊢ V = Base U
4 hdmap1eq2.o ⊢ 0 ˙ = 0 U
5 hdmap1eq2.n ⊢ N = LSpan ⁡ U
6 hdmap1eq2.c ⊢ C = LCDual ⁡ K ⁡ W
7 hdmap1eq2.d ⊢ D = Base C
8 hdmap1eq2.l ⊢ L = LSpan ⁡ C
9 hdmap1eq2.m ⊢ M = mapd ⁡ K ⁡ W
10 hdmap1eq2.i ⊢ I = HDMap1 ⁡ K ⁡ W
11 hdmap1eq2.k ⊢ φ → K ∈ HL ∧ W ∈ H
12 hdmap1eq2.f ⊢ φ → F ∈ D
13 hdmap1eq2.mn ⊢ φ → M ⁡ N ⁡ X = L ⁡ F
14 hdmap1eq2.ne ⊢ φ → N ⁡ X ≠ N ⁡ Y
15 hdmap1eq2.x ⊢ φ → X ∈ V ∖ 0 ˙
16 hdmap1eq2.y ⊢ φ → Y ∈ V ∖ 0 ˙
17 hdmap1eq2.e ⊢ φ → I ⁡ X F Y = G
18 eqid ⊢ - U = - U
19 eqid ⊢ - C = - C
20 eqid ⊢ 0 C = 0 C
21 16 eldifad ⊢ φ → Y ∈ V
22 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 21 hdmap1cl ⊢ φ → I ⁡ X F Y ∈ D
23 17 22 eqeltrrd ⊢ φ → G ∈ D
24 15 eldifad ⊢ φ → X ∈ V
25 eqid ⊢ x ∈ V ⟼ if 2 nd ⁡ x = 0 ˙ 0 C ι h ∈ D | M ⁡ N ⁡ 2 nd ⁡ x = L ⁡ h ∧ M ⁡ N ⁡ 1 st ⁡ 1 st ⁡ x - U 2 nd ⁡ x = L ⁡ 2 nd ⁡ 1 st ⁡ x - C h = x ∈ V ⟼ if 2 nd ⁡ x = 0 ˙ 0 C ι h ∈ D | M ⁡ N ⁡ 2 nd ⁡ x = L ⁡ h ∧ M ⁡ N ⁡ 1 st ⁡ 1 st ⁡ x - U 2 nd ⁡ x = L ⁡ 2 nd ⁡ 1 st ⁡ x - C h
26 1 2 3 18 4 5 6 7 19 20 8 9 10 11 16 23 24 25 hdmap1valc ⊢ φ → I ⁡ Y G X = x ∈ V ⟼ if 2 nd ⁡ x = 0 ˙ 0 C ι h ∈ D | M ⁡ N ⁡ 2 nd ⁡ x = L ⁡ h ∧ M ⁡ N ⁡ 1 st ⁡ 1 st ⁡ x - U 2 nd ⁡ x = L ⁡ 2 nd ⁡ 1 st ⁡ x - C h ⁡ Y G X
27 1 2 3 18 4 5 6 7 19 20 8 9 10 11 15 12 21 25 hdmap1valc ⊢ φ → I ⁡ X F Y = x ∈ V ⟼ if 2 nd ⁡ x = 0 ˙ 0 C ι h ∈ D | M ⁡ N ⁡ 2 nd ⁡ x = L ⁡ h ∧ M ⁡ N ⁡ 1 st ⁡ 1 st ⁡ x - U 2 nd ⁡ x = L ⁡ 2 nd ⁡ 1 st ⁡ x - C h ⁡ X F Y
28 27 17 eqtr3d ⊢ φ → x ∈ V ⟼ if 2 nd ⁡ x = 0 ˙ 0 C ι h ∈ D | M ⁡ N ⁡ 2 nd ⁡ x = L ⁡ h ∧ M ⁡ N ⁡ 1 st ⁡ 1 st ⁡ x - U 2 nd ⁡ x = L ⁡ 2 nd ⁡ 1 st ⁡ x - C h ⁡ X F Y = G
29 1 2 3 18 4 5 6 7 19 20 8 9 25 11 12 13 28 14 15 16 mapdh75e ⊢ φ → x ∈ V ⟼ if 2 nd ⁡ x = 0 ˙ 0 C ι h ∈ D | M ⁡ N ⁡ 2 nd ⁡ x = L ⁡ h ∧ M ⁡ N ⁡ 1 st ⁡ 1 st ⁡ x - U 2 nd ⁡ x = L ⁡ 2 nd ⁡ 1 st ⁡ x - C h ⁡ Y G X = F
30 26 29 eqtrd ⊢ φ → I ⁡ Y G X = F