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| Mirrors > Home > HSE Home > Th. List > hial2eq2 | Structured version Visualization version GIF version | ||
| Description: Two vectors whose inner product is always equal are equal. (Contributed by NM, 28-Jan-2006.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| hial2eq2 | ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) → (∀𝑥 ∈ ℋ (𝑥 ·ih 𝐴) = (𝑥 ·ih 𝐵) ↔ 𝐴 = 𝐵)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ax-his1 31171 | . . . . . 6 ⊢ ((𝐴 ∈ ℋ ∧ 𝑥 ∈ ℋ) → (𝐴 ·ih 𝑥) = (∗‘(𝑥 ·ih 𝐴))) | |
| 2 | ax-his1 31171 | . . . . . 6 ⊢ ((𝐵 ∈ ℋ ∧ 𝑥 ∈ ℋ) → (𝐵 ·ih 𝑥) = (∗‘(𝑥 ·ih 𝐵))) | |
| 3 | 1, 2 | eqeqan12d 2751 | . . . . 5 ⊢ (((𝐴 ∈ ℋ ∧ 𝑥 ∈ ℋ) ∧ (𝐵 ∈ ℋ ∧ 𝑥 ∈ ℋ)) → ((𝐴 ·ih 𝑥) = (𝐵 ·ih 𝑥) ↔ (∗‘(𝑥 ·ih 𝐴)) = (∗‘(𝑥 ·ih 𝐵)))) |
| 4 | hicl 31169 | . . . . . . 7 ⊢ ((𝑥 ∈ ℋ ∧ 𝐴 ∈ ℋ) → (𝑥 ·ih 𝐴) ∈ ℂ) | |
| 5 | 4 | ancoms 458 | . . . . . 6 ⊢ ((𝐴 ∈ ℋ ∧ 𝑥 ∈ ℋ) → (𝑥 ·ih 𝐴) ∈ ℂ) |
| 6 | hicl 31169 | . . . . . . 7 ⊢ ((𝑥 ∈ ℋ ∧ 𝐵 ∈ ℋ) → (𝑥 ·ih 𝐵) ∈ ℂ) | |
| 7 | 6 | ancoms 458 | . . . . . 6 ⊢ ((𝐵 ∈ ℋ ∧ 𝑥 ∈ ℋ) → (𝑥 ·ih 𝐵) ∈ ℂ) |
| 8 | cj11 15118 | . . . . . 6 ⊢ (((𝑥 ·ih 𝐴) ∈ ℂ ∧ (𝑥 ·ih 𝐵) ∈ ℂ) → ((∗‘(𝑥 ·ih 𝐴)) = (∗‘(𝑥 ·ih 𝐵)) ↔ (𝑥 ·ih 𝐴) = (𝑥 ·ih 𝐵))) | |
| 9 | 5, 7, 8 | syl2an 597 | . . . . 5 ⊢ (((𝐴 ∈ ℋ ∧ 𝑥 ∈ ℋ) ∧ (𝐵 ∈ ℋ ∧ 𝑥 ∈ ℋ)) → ((∗‘(𝑥 ·ih 𝐴)) = (∗‘(𝑥 ·ih 𝐵)) ↔ (𝑥 ·ih 𝐴) = (𝑥 ·ih 𝐵))) |
| 10 | 3, 9 | bitr2d 280 | . . . 4 ⊢ (((𝐴 ∈ ℋ ∧ 𝑥 ∈ ℋ) ∧ (𝐵 ∈ ℋ ∧ 𝑥 ∈ ℋ)) → ((𝑥 ·ih 𝐴) = (𝑥 ·ih 𝐵) ↔ (𝐴 ·ih 𝑥) = (𝐵 ·ih 𝑥))) |
| 11 | 10 | anandirs 680 | . . 3 ⊢ (((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) ∧ 𝑥 ∈ ℋ) → ((𝑥 ·ih 𝐴) = (𝑥 ·ih 𝐵) ↔ (𝐴 ·ih 𝑥) = (𝐵 ·ih 𝑥))) |
| 12 | 11 | ralbidva 3159 | . 2 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) → (∀𝑥 ∈ ℋ (𝑥 ·ih 𝐴) = (𝑥 ·ih 𝐵) ↔ ∀𝑥 ∈ ℋ (𝐴 ·ih 𝑥) = (𝐵 ·ih 𝑥))) |
| 13 | hial2eq 31195 | . 2 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) → (∀𝑥 ∈ ℋ (𝐴 ·ih 𝑥) = (𝐵 ·ih 𝑥) ↔ 𝐴 = 𝐵)) | |
| 14 | 12, 13 | bitrd 279 | 1 ⊢ ((𝐴 ∈ ℋ ∧ 𝐵 ∈ ℋ) → (∀𝑥 ∈ ℋ (𝑥 ·ih 𝐴) = (𝑥 ·ih 𝐵) ↔ 𝐴 = 𝐵)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 ∧ wa 395 = wceq 1542 ∈ wcel 2114 ∀wral 3052 ‘cfv 6493 (class class class)co 7361 ℂcc 11030 ∗ccj 15052 ℋchba 31008 ·ih csp 31011 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5232 ax-nul 5242 ax-pow 5303 ax-pr 5371 ax-un 7683 ax-resscn 11089 ax-1cn 11090 ax-icn 11091 ax-addcl 11092 ax-addrcl 11093 ax-mulcl 11094 ax-mulrcl 11095 ax-mulcom 11096 ax-addass 11097 ax-mulass 11098 ax-distr 11099 ax-i2m1 11100 ax-1ne0 11101 ax-1rid 11102 ax-rnegex 11103 ax-rrecex 11104 ax-cnre 11105 ax-pre-lttri 11106 ax-pre-lttrn 11107 ax-pre-ltadd 11108 ax-pre-mulgt0 11109 ax-hfvadd 31089 ax-hvcom 31090 ax-hvass 31091 ax-hv0cl 31092 ax-hvaddid 31093 ax-hfvmul 31094 ax-hvmulid 31095 ax-hvdistr2 31098 ax-hvmul0 31099 ax-hfi 31168 ax-his1 31171 ax-his2 31172 ax-his3 31173 ax-his4 31174 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-rmo 3343 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-iun 4936 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5520 df-eprel 5525 df-po 5533 df-so 5534 df-fr 5578 df-we 5580 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-pred 6260 df-ord 6321 df-on 6322 df-lim 6323 df-suc 6324 df-iota 6449 df-fun 6495 df-fn 6496 df-f 6497 df-f1 6498 df-fo 6499 df-f1o 6500 df-fv 6501 df-riota 7318 df-ov 7364 df-oprab 7365 df-mpo 7366 df-om 7812 df-2nd 7937 df-frecs 8225 df-wrecs 8256 df-recs 8305 df-rdg 8343 df-er 8637 df-en 8888 df-dom 8889 df-sdom 8890 df-pnf 11175 df-mnf 11176 df-xr 11177 df-ltxr 11178 df-le 11179 df-sub 11373 df-neg 11374 df-div 11802 df-nn 12169 df-2 12238 df-cj 15055 df-re 15056 df-im 15057 df-hvsub 31060 |
| This theorem is referenced by: hoeq2 31920 adjvalval 32026 cnlnadjlem6 32161 adjlnop 32175 bra11 32197 |
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