| Hilbert Space Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > HSE Home > Th. List > hial2eq | Structured version Visualization version GIF version | ||
| Description: Two vectors whose inner product is always equal are equal. (Contributed by NM, 16-Nov-1999.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| hial2eq | ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) → (∀𝑥 ∈ ℋ (𝐴 ·ih 𝑥) = (𝐵 ·ih 𝑥) ↔ 𝐴 = 𝐵)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | hvsubcl 31501 | . . . 4 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) → (𝐴 −ℎ 𝐵) ∈ ℋ) | |
| 2 | oveq2 7422 | . . . . . 6 ⊢ (𝑥 = (𝐴 −ℎ 𝐵) → (𝐴 ·ih 𝑥) = (𝐴 ·ih (𝐴 −ℎ 𝐵))) | |
| 3 | oveq2 7422 | . . . . . 6 ⊢ (𝑥 = (𝐴 −ℎ 𝐵) → (𝐵 ·ih 𝑥) = (𝐵 ·ih (𝐴 −ℎ 𝐵))) | |
| 4 | 2, 3 | eqeq12d 2776 | . . . . 5 ⊢ (𝑥 = (𝐴 −ℎ 𝐵) → ((𝐴 ·ih 𝑥) = (𝐵 ·ih 𝑥) ↔ (𝐴 ·ih (𝐴 −ℎ 𝐵)) = (𝐵 ·ih (𝐴 −ℎ 𝐵)))) |
| 5 | 4 | rspcv 3572 | . . . 4 ⊢ ((𝐴 −ℎ 𝐵) ∈ ℋ → (∀𝑥 ∈ ℋ (𝐴 ·ih 𝑥) = (𝐵 ·ih 𝑥) → (𝐴 ·ih (𝐴 −ℎ 𝐵)) = (𝐵 ·ih (𝐴 −ℎ 𝐵)))) |
| 6 | 1, 5 | syl 18 | . . 3 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) → (∀𝑥 ∈ ℋ (𝐴 ·ih 𝑥) = (𝐵 ·ih 𝑥) → (𝐴 ·ih (𝐴 −ℎ 𝐵)) = (𝐵 ·ih (𝐴 −ℎ 𝐵)))) |
| 7 | hi2eq 31589 | . . 3 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) → ((𝐴 ·ih (𝐴 −ℎ 𝐵)) = (𝐵 ·ih (𝐴 −ℎ 𝐵)) ↔ 𝐴 = 𝐵)) | |
| 8 | 6, 7 | sylibd 242 | . 2 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) → (∀𝑥 ∈ ℋ (𝐴 ·ih 𝑥) = (𝐵 ·ih 𝑥) → 𝐴 = 𝐵)) |
| 9 | oveq1 7421 | . . 3 ⊢ (𝐴 = 𝐵 → (𝐴 ·ih 𝑥) = (𝐵 ·ih 𝑥)) | |
| 10 | 9 | ralrimivw 3158 | . 2 ⊢ (𝐴 = 𝐵 → ∀𝑥 ∈ ℋ (𝐴 ·ih 𝑥) = (𝐵 ·ih 𝑥)) |
| 11 | 8, 10 | impbid1 228 | 1 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) → (∀𝑥 ∈ ℋ (𝐴 ·ih 𝑥) = (𝐵 ·ih 𝑥) ↔ 𝐴 = 𝐵)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∧ wa 401 = wceq 1570 ∈ wcel 2145 ∀wral 3076 (class class class)co 7414 ℋchba 31403 ·ih csp 31406 −ℎ cmv 31409 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7737 ax-resscn 11184 ax-1cn 11185 ax-icn 11186 ax-addcl 11187 ax-addrcl 11188 ax-mulcl 11189 ax-mulrcl 11190 ax-mulcom 11191 ax-addass 11192 ax-mulass 11193 ax-distr 11194 ax-i2m1 11195 ax-1ne0 11196 ax-1rid 11197 ax-rnegex 11198 ax-rrecex 11199 ax-cnre 11200 ax-pre-lttri 11201 ax-pre-lttrn 11202 ax-pre-ltadd 11203 ax-hfvadd 31484 ax-hvcom 31485 ax-hvass 31486 ax-hv0cl 31487 ax-hvaddid 31488 ax-hfvmul 31489 ax-hvmulid 31490 ax-hvdistr2 31493 ax-hvmul0 31494 ax-hfi 31563 ax-his2 31567 ax-his3 31568 ax-his4 31569 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5550 df-po 5563 df-so 5564 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-riota 7371 df-ov 7417 df-oprab 7418 df-mpo 7419 df-er 8699 df-en 8956 df-dom 8957 df-sdom 8958 df-pnf 11272 df-mnf 11273 df-ltxr 11275 df-sub 11470 df-neg 11471 df-hvsub 31455 |
| This theorem is used by: hial2eq2 31591 hoeq1 32314 hoeq2 32315 unoplin 32404 hmoplin 32426 pjss2coi 32648 pj3cor1i 32693 |
| Copyright terms: Public domain | W3C validator |