Proof of Theorem chocuni
| Step | Hyp | Ref
| Expression |
| 1 | | hvsub4t 5014 |
. . . . . . . 8
⊢ (((A
∈ ℋ ∧ B ∈ ℋ )
∧ (A ∈ ℋ ∧ D ∈ ℋ )) → ((A +v B) −v (A +v D)) = ((A
−v A)
+v (B
−v D))) |
| 2 | | pm3.26 256 |
. . . . . . . 8
⊢ (((A
∈ ℋ ∧ B ∈ ℋ )
∧ D ∈ ℋ ) → (A ∈ ℋ ∧ B ∈ ℋ )) |
| 3 | | pm3.26 256 |
. . . . . . . . 9
⊢ ((A
∈ ℋ ∧ B ∈ ℋ )
→ A ∈ ℋ ) |
| 4 | 3 | anim1i 269 |
. . . . . . . 8
⊢ (((A
∈ ℋ ∧ B ∈ ℋ )
∧ D ∈ ℋ ) → (A ∈ ℋ ∧ D ∈ ℋ )) |
| 5 | 1, 2, 4 | sylanc 361 |
. . . . . . 7
⊢ (((A
∈ ℋ ∧ B ∈ ℋ )
∧ D ∈ ℋ ) → ((A +v B) −v (A +v D)) = ((A
−v A)
+v (B
−v D))) |
| 6 | | hvsubidt 5005 |
. . . . . . . . 9
⊢ (A
∈ ℋ → (A
−v A) =
0v) |
| 7 | 6 | ad2antll 320 |
. . . . . . . 8
⊢ (((A
∈ ℋ ∧ B ∈ ℋ )
∧ D ∈ ℋ ) → (A −v A) = 0v) |
| 8 | 7 | opreq1d 3012 |
. . . . . . 7
⊢ (((A
∈ ℋ ∧ B ∈ ℋ )
∧ D ∈ ℋ ) → ((A −v A) +v (B −v D)) = (0v +v
(B −v D))) |
| 9 | | hvsubclt 4998 |
. . . . . . . . 9
⊢ ((B
∈ ℋ ∧ D ∈ ℋ )
→ (B −v
D) ∈ ℋ ) |
| 10 | | hvaddid2t 5003 |
. . . . . . . . 9
⊢ ((B
−v D) ∈
ℋ → (0v +v (B −v D)) = (B
−v D)) |
| 11 | 9, 10 | syl 12 |
. . . . . . . 8
⊢ ((B
∈ ℋ ∧ D ∈ ℋ )
→ (0v +v (B −v D)) = (B
−v D)) |
| 12 | 11 | adantll 309 |
. . . . . . 7
⊢ (((A
∈ ℋ ∧ B ∈ ℋ )
∧ D ∈ ℋ ) →
(0v +v (B −v D)) = (B
−v D)) |
| 13 | 5, 8, 12 | 3eqtrd 1132 |
. . . . . 6
⊢ (((A
∈ ℋ ∧ B ∈ ℋ )
∧ D ∈ ℋ ) → ((A +v B) −v (A +v D)) = (B
−v D)) |
| 14 | 13 | adantrl 311 |
. . . . 5
⊢ (((A
∈ ℋ ∧ B ∈ ℋ )
∧ (C ∈ ℋ ∧ D ∈ ℋ )) → ((A +v B) −v (A +v D)) = (B
−v D)) |
| 15 | | hvsub4t 5014 |
. . . . . . . 8
⊢ (((C
∈ ℋ ∧ D ∈ ℋ )
∧ (A ∈ ℋ ∧ D ∈ ℋ )) → ((C +v D) −v (A +v D)) = ((C
−v A)
+v (D
−v D))) |
| 16 | | pm3.27 260 |
. . . . . . . 8
⊢ ((A
∈ ℋ ∧ (C ∈ ℋ
∧ D ∈ ℋ )) → (C ∈ ℋ ∧ D ∈ ℋ )) |
| 17 | | pm3.27 260 |
. . . . . . . . 9
⊢ ((C
∈ ℋ ∧ D ∈ ℋ )
→ D ∈ ℋ ) |
| 18 | 17 | anim2i 270 |
. . . . . . . 8
⊢ ((A
∈ ℋ ∧ (C ∈ ℋ
∧ D ∈ ℋ )) → (A ∈ ℋ ∧ D ∈ ℋ )) |
| 19 | 15, 16, 18 | sylanc 361 |
. . . . . . 7
⊢ ((A
∈ ℋ ∧ (C ∈ ℋ
∧ D ∈ ℋ )) → ((C +v D) −v (A +v D)) = ((C
−v A)
+v (D
−v D))) |
| 20 | | hvsubidt 5005 |
. . . . . . . . 9
⊢ (D
∈ ℋ → (D
−v D) =
0v) |
| 21 | 20 | ad2antrr 323 |
. . . . . . . 8
⊢ ((A
∈ ℋ ∧ (C ∈ ℋ
∧ D ∈ ℋ )) → (D −v D) = 0v) |
| 22 | 21 | opreq2d 3013 |
. . . . . . 7
⊢ ((A
∈ ℋ ∧ (C ∈ ℋ
∧ D ∈ ℋ )) → ((C −v A) +v (D −v D)) = ((C
−v A)
+v 0v)) |
| 23 | | hvsubclt 4998 |
. . . . . . . . . 10
⊢ ((C
∈ ℋ ∧ A ∈ ℋ )
→ (C −v
A) ∈ ℋ ) |
| 24 | | ax-hvaddid 4988 |
. . . . . . . . . 10
⊢ ((C
−v A) ∈
ℋ → ((C
−v A)
+v 0v) = (C −v A)) |
| 25 | 23, 24 | syl 12 |
. . . . . . . . 9
⊢ ((C
∈ ℋ ∧ A ∈ ℋ )
→ ((C −v
A) +v
0v) = (C
−v A)) |
| 26 | 25 | ancoms 334 |
. . . . . . . 8
⊢ ((A
∈ ℋ ∧ C ∈ ℋ )
→ ((C −v
A) +v
0v) = (C
−v A)) |
| 27 | 26 | adantrr 312 |
. . . . . . 7
⊢ ((A
∈ ℋ ∧ (C ∈ ℋ
∧ D ∈ ℋ )) → ((C −v A) +v 0v) =
(C −v A)) |
| 28 | 19, 22, 27 | 3eqtrd 1132 |
. . . . . 6
⊢ ((A
∈ ℋ ∧ (C ∈ ℋ
∧ D ∈ ℋ )) → ((C +v D) −v (A +v D)) = (C
−v A)) |
| 29 | 28 | adantlr 310 |
. . . . 5
⊢ (((A
∈ ℋ ∧ B ∈ ℋ )
∧ (C ∈ ℋ ∧ D ∈ ℋ )) → ((C +v D) −v (A +v D)) = (C
−v A)) |
| 30 | 14, 29 | cleq12d 1115 |
. . . 4
⊢ (((A
∈ ℋ ∧ B ∈ ℋ )
∧ (C ∈ ℋ ∧ D ∈ ℋ )) → (((A +v B) −v (A +v D)) = ((C
+v D)
−v (A
+v D)) ↔ (B −v D) = (C
−v A))) |
| 31 | | chocuni.1 |
. . . . . 6
⊢ H
∈ Cℋ |
| 32 | 31 | chel 5137 |
. . . . 5
⊢ (A
∈ H → A ∈ ℋ ) |
| 33 | 31 | chshi 5132 |
. . . . . . 7
⊢ H
∈ Sℋ |
| 34 | | shocsh 5165 |
. . . . . . 7
⊢ (H
∈ Sℋ → (⊥ ‘H) ∈ Sℋ ) |
| 35 | 33, 34 | ax-mp 6 |
. . . . . 6
⊢ (⊥ ‘H) ∈ Sℋ |
| 36 | 35 | shel 5120 |
. . . . 5
⊢ (B
∈ (⊥ ‘H) → B ∈ ℋ ) |
| 37 | 32, 36 | anim12i 268 |
. . . 4
⊢ ((A
∈ H ∧ B ∈ (⊥ ‘H)) → (A
∈ ℋ ∧ B ∈ ℋ
)) |
| 38 | 31 | chel 5137 |
. . . . 5
⊢ (C
∈ H → C ∈ ℋ ) |
| 39 | 35 | shel 5120 |
. . . . 5
⊢ (D
∈ (⊥ ‘H) → D ∈ ℋ ) |
| 40 | 38, 39 | anim12i 268 |
. . . 4
⊢ ((C
∈ H ∧ D ∈ (⊥ ‘H)) → (C
∈ ℋ ∧ D ∈ ℋ
)) |
| 41 | 30, 37, 40 | syl2an 349 |
. . 3
⊢ (((A
∈ H ∧ B ∈ (⊥ ‘H)) ∧ (C
∈ H ∧ D ∈ (⊥ ‘H))) → (((A
+v B)
−v (A
+v D)) = ((C +v D) −v (A +v D)) ↔ (B
−v D) = (C −v A))) |
| 42 | | shsubclt 5125 |
. . . . . . . . . . 11
⊢ (H
∈ Sℋ → ((C ∈ H ∧
A ∈ H) → (C
−v A) ∈
H)) |
| 43 | 33, 42 | ax-mp 6 |
. . . . . . . . . 10
⊢ ((C
∈ H ∧ A ∈ H)
→ (C −v
A) ∈ H) |
| 44 | 43 | ancoms 334 |
. . . . . . . . 9
⊢ ((A
∈ H ∧ C ∈ H)
→ (C −v
A) ∈ H) |
| 45 | 44 | a1d 14 |
. . . . . . . 8
⊢ ((A
∈ H ∧ C ∈ H)
→ ((B −v
D) = (C
−v A) →
(C −v A) ∈ H)) |
| 46 | 45 | adantrr 312 |
. . . . . . 7
⊢ ((A
∈ H ∧ (C ∈ H ∧
D ∈ (⊥ ‘H))) → ((B
−v D) = (C −v A) → (C
−v A) ∈
H)) |
| 47 | 46 | adantlr 310 |
. . . . . 6
⊢ (((A
∈ H ∧ B ∈ (⊥ ‘H)) ∧ (C
∈ H ∧ D ∈ (⊥ ‘H))) → ((B
−v D) = (C −v A) → (C
−v A) ∈
H)) |
| 48 | | shsubclt 5125 |
. . . . . . . . . 10
⊢ ((⊥ ‘H) ∈ Sℋ →
((B ∈ (⊥ ‘H) ∧ D
∈ (⊥ ‘H)) → (B −v D) ∈ (⊥ ‘H))) |
| 49 | 35, 48 | ax-mp 6 |
. . . . . . . . 9
⊢ ((B
∈ (⊥ ‘H) ∧ D ∈ (⊥ ‘H)) → (B
−v D) ∈
(⊥ ‘H)) |
| 50 | | eleq1 1149 |
. . . . . . . . . 10
⊢ ((B
−v D) = (C −v A) → ((B
−v D) ∈
(⊥ ‘H) ↔ (C −v A) ∈ (⊥ ‘H))) |
| 51 | 50 | biimpcd 137 |
. . . . . . . . 9
⊢ ((B
−v D) ∈
(⊥ ‘H) → ((B −v D) = (C
−v A) →
(C −v A) ∈ (⊥ ‘H))) |
| 52 | 49, 51 | syl 12 |
. . . . . . . 8
⊢ ((B
∈ (⊥ ‘H) ∧ D ∈ (⊥ ‘H)) → ((B
−v D) = (C −v A) → (C
−v A) ∈
(⊥ ‘H))) |
| 53 | 52 | adantrl 311 |
. . . . . . 7
⊢ ((B
∈ (⊥ ‘H) ∧ (C ∈ H ∧
D ∈ (⊥ ‘H))) → ((B
−v D) = (C −v A) → (C
−v A) ∈
(⊥ ‘H))) |
| 54 | 53 | adantll 309 |
. . . . . 6
⊢ (((A
∈ H ∧ B ∈ (⊥ ‘H)) ∧ (C
∈ H ∧ D ∈ (⊥ ‘H))) → ((B
−v D) = (C −v A) → (C
−v A) ∈
(⊥ ‘H))) |
| 55 | 47, 54 | jcad 455 |
. . . . 5
⊢ (((A
∈ H ∧ B ∈ (⊥ ‘H)) ∧ (C
∈ H ∧ D ∈ (⊥ ‘H))) → ((B
−v D) = (C −v A) → ((C
−v A) ∈
H ∧ (C −v A) ∈ (⊥ ‘H)))) |
| 56 | | hvsubeq0t 5040 |
. . . . . . . . . . 11
⊢ ((C
∈ ℋ ∧ A ∈ ℋ )
→ ((C −v
A) = 0v ↔ C = A)) |
| 57 | 56 | ancoms 334 |
. . . . . . . . . 10
⊢ ((A
∈ ℋ ∧ C ∈ ℋ )
→ ((C −v
A) = 0v ↔ C = A)) |
| 58 | 57 | adantrr 312 |
. . . . . . . . 9
⊢ ((A
∈ ℋ ∧ (C ∈ ℋ
∧ D ∈ ℋ )) → ((C −v A) = 0v ↔ C = A)) |
| 59 | 58 | adantlr 310 |
. . . . . . . 8
⊢ (((A
∈ ℋ ∧ B ∈ ℋ )
∧ (C ∈ ℋ ∧ D ∈ ℋ )) → ((C −v A) = 0v ↔ C = A)) |
| 60 | 59, 37, 40 | syl2an 349 |
. . . . . . 7
⊢ (((A
∈ H ∧ B ∈ (⊥ ‘H)) ∧ (C
∈ H ∧ D ∈ (⊥ ‘H))) → ((C
−v A) =
0v ↔ C = A)) |
| 61 | | cleqcom 1103 |
. . . . . . 7
⊢ (C =
A ↔ A = C) |
| 62 | 60, 61 | syl6bb 414 |
. . . . . 6
⊢ (((A
∈ H ∧ B ∈ (⊥ ‘H)) ∧ (C
∈ H ∧ D ∈ (⊥ ‘H))) → ((C
−v A) =
0v ↔ A = C)) |
| 63 | | ocin 5177 |
. . . . . . . . 9
⊢ (H
∈ Sℋ → (H
∩ (⊥ ‘H)) =
0ℋ) |
| 64 | 33, 63 | ax-mp 6 |
. . . . . . . 8
⊢ (H
∩ (⊥ ‘H)) =
0ℋ |
| 65 | 64 | eleq2i 1153 |
. . . . . . 7
⊢ ((C
−v A) ∈
(H ∩ (⊥ ‘H)) ↔ (C
−v A) ∈
0ℋ) |
| 66 | | elin 1635 |
. . . . . . 7
⊢ ((C
−v A) ∈
(H ∩ (⊥ ‘H)) ↔ ((C
−v A) ∈
H ∧ (C −v A) ∈ (⊥ ‘H))) |
| 67 | | elch0 5158 |
. . . . . . 7
⊢ ((C
−v A) ∈
0ℋ ↔ (C
−v A) =
0v) |
| 68 | 65, 66, 67 | 3bitr3 156 |
. . . . . 6
⊢ (((C
−v A) ∈
H ∧ (C −v A) ∈ (⊥ ‘H)) ↔ (C
−v A) =
0v) |
| 69 | 62, 68 | syl5bb 410 |
. . . . 5
⊢ (((A
∈ H ∧ B ∈ (⊥ ‘H)) ∧ (C
∈ H ∧ D ∈ (⊥ ‘H))) → (((C
−v A) ∈
H ∧ (C −v A) ∈ (⊥ ‘H)) ↔ A =
C)) |
| 70 | 55, 69 | sylibd 177 |
. . . 4
⊢ (((A
∈ H ∧ B ∈ (⊥ ‘H)) ∧ (C
∈ H ∧ D ∈ (⊥ ‘H))) → ((B
−v D) = (C −v A) → A =
C)) |
| 71 | | eleq1a 1158 |
. . . . . . . . 9
⊢ ((C
−v A) ∈
H → ((B −v D) = (C
−v A) →
(B −v D) ∈ H)) |
| 72 | 44, 71 | syl 12 |
. . . . . . . 8
⊢ ((A
∈ H ∧ C ∈ H)
→ ((B −v
D) = (C
−v A) →
(B −v D) ∈ H)) |
| 73 | 72 | adantrr 312 |
. . . . . . 7
⊢ ((A
∈ H ∧ (C ∈ H ∧
D ∈ (⊥ ‘H))) → ((B
−v D) = (C −v A) → (B
−v D) ∈
H)) |
| 74 | 73 | adantlr 310 |
. . . . . 6
⊢ (((A
∈ H ∧ B ∈ (⊥ ‘H)) ∧ (C
∈ H ∧ D ∈ (⊥ ‘H))) → ((B
−v D) = (C −v A) → (B
−v D) ∈
H)) |
| 75 | 49 | a1d 14 |
. . . . . . . 8
⊢ ((B
∈ (⊥ ‘H) ∧ D ∈ (⊥ ‘H)) → ((B
−v D) = (C −v A) → (B
−v D) ∈
(⊥ ‘H))) |
| 76 | 75 | adantrl 311 |
. . . . . . 7
⊢ ((B
∈ (⊥ ‘H) ∧ (C ∈ H ∧
D ∈ (⊥ ‘H))) → ((B
−v D) = (C −v A) → (B
−v D) ∈
(⊥ ‘H))) |
| 77 | 76 | adantll 309 |
. . . . . 6
⊢ (((A
∈ H ∧ B ∈ (⊥ ‘H)) ∧ (C
∈ H ∧ D ∈ (⊥ ‘H))) → ((B
−v D) = (C −v A) → (B
−v D) ∈
(⊥ ‘H))) |
| 78 | 74, 77 | jcad 455 |
. . . . 5
⊢ (((A
∈ H ∧ B ∈ (⊥ ‘H)) ∧ (C
∈ H ∧ D ∈ (⊥ ‘H))) → ((B
−v D) = (C −v A) → ((B
−v D) ∈
H ∧ (B −v D) ∈ (⊥ ‘H)))) |
| 79 | | hvsubeq0t 5040 |
. . . . . . . . 9
⊢ ((B
∈ ℋ ∧ D ∈ ℋ )
→ ((B −v
D) = 0v ↔ B = D)) |
| 80 | 79 | adantrl 311 |
. . . . . . . 8
⊢ ((B
∈ ℋ ∧ (C ∈ ℋ
∧ D ∈ ℋ )) → ((B −v D) = 0v ↔ B = D)) |
| 81 | 80 | adantll 309 |
. . . . . . 7
⊢ (((A
∈ ℋ ∧ B ∈ ℋ )
∧ (C ∈ ℋ ∧ D ∈ ℋ )) → ((B −v D) = 0v ↔ B = D)) |
| 82 | 81, 37, 40 | syl2an 349 |
. . . . . 6
⊢ (((A
∈ H ∧ B ∈ (⊥ ‘H)) ∧ (C
∈ H ∧ D ∈ (⊥ ‘H))) → ((B
−v D) =
0v ↔ B = D)) |
| 83 | 64 | eleq2i 1153 |
. . . . . . 7
⊢ ((B
−v D) ∈
(H ∩ (⊥ ‘H)) ↔ (B
−v D) ∈
0ℋ) |
| 84 | | elin 1635 |
. . . . . . 7
⊢ ((B
−v D) ∈
(H ∩ (⊥ ‘H)) ↔ ((B
−v D) ∈
H ∧ (B −v D) ∈ (⊥ ‘H))) |
| 85 | | elch0 5158 |
. . . . . . 7
⊢ ((B
−v D) ∈
0ℋ ↔ (B
−v D) =
0v) |
| 86 | 83, 84, 85 | 3bitr3 156 |
. . . . . 6
⊢ (((B
−v D) ∈
H ∧ (B −v D) ∈ (⊥ ‘H)) ↔ (B
−v D) =
0v) |
| 87 | 82, 86 | syl5bb 410 |
. . . . 5
⊢ (((A
∈ H ∧ B ∈ (⊥ ‘H)) ∧ (C
∈ H ∧ D ∈ (⊥ ‘H))) → (((B
−v D) ∈
H ∧ (B −v D) ∈ (⊥ ‘H)) ↔ B =
D)) |
| 88 | 78, 87 | sylibd 177 |
. . . 4
⊢ (((A
∈ H ∧ B ∈ (⊥ ‘H)) ∧ (C
∈ H ∧ D ∈ (⊥ ‘H))) → ((B
−v D) = (C −v A) → B =
D)) |
| 89 | 70, 88 | jcad 455 |
. . 3
⊢ (((A
∈ H ∧ B ∈ (⊥ ‘H)) ∧ (C
∈ H ∧ D ∈ (⊥ ‘H))) → ((B
−v D) = (C −v A) → (A =
C ∧ B = D))) |
| 90 | 41, 89 | sylbid 178 |
. 2
⊢ (((A
∈ H ∧ B ∈ (⊥ ‘H)) ∧ (C
∈ H ∧ D ∈ (⊥ ‘H))) → (((A
+v B)
−v (A
+v D)) = ((C +v D) −v (A +v D)) → (A =
C ∧ B = D))) |
| 91 | | cleq1 1107 |
. . . 4
⊢ (R =
(A +v B) → (R =
(C +v D) ↔ (A
+v B) = (C +v D))) |
| 92 | 91 | biimpa 324 |
. . 3
⊢ ((R =
(A +v B) ∧ R =
(C +v D)) → (A
+v B) = (C +v D)) |
| 93 | 92 | opreq1d 3012 |
. 2
⊢ ((R =
(A +v B) ∧ R =
(C +v D)) → ((A
+v B)
−v (A
+v D)) = ((C +v D) −v (A +v D))) |
| 94 | 90, 93 | syl5 22 |
1
⊢ (((A
∈ H ∧ B ∈ (⊥ ‘H)) ∧ (C
∈ H ∧ D ∈ (⊥ ‘H))) → ((R
= (A +v B) ∧ R =
(C +v D)) → (A =
C ∧ B = D))) |