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Mirrors > Home > MPE Home > Th. List > iporthcom | Structured version Visualization version GIF version |
Description: Orthogonality (meaning inner product is 0) is commutative. (Contributed by NM, 17-Apr-2008.) (Revised by Mario Carneiro, 7-Oct-2015.) |
Ref | Expression |
---|---|
phlsrng.f | ⊢ 𝐹 = (Scalar‘𝑊) |
phllmhm.h | ⊢ , = (·𝑖‘𝑊) |
phllmhm.v | ⊢ 𝑉 = (Base‘𝑊) |
ip0l.z | ⊢ 𝑍 = (0g‘𝐹) |
Ref | Expression |
---|---|
iporthcom | ⊢ ((𝑊 ∈ PreHil ∧ 𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑉) → ((𝐴 , 𝐵) = 𝑍 ↔ (𝐵 , 𝐴) = 𝑍)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | phlsrng.f | . . . . . 6 ⊢ 𝐹 = (Scalar‘𝑊) | |
2 | 1 | phlsrng 20769 | . . . . 5 ⊢ (𝑊 ∈ PreHil → 𝐹 ∈ *-Ring) |
3 | 2 | 3ad2ant1 1129 | . . . 4 ⊢ ((𝑊 ∈ PreHil ∧ 𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑉) → 𝐹 ∈ *-Ring) |
4 | eqid 2821 | . . . . 5 ⊢ (*rf‘𝐹) = (*rf‘𝐹) | |
5 | eqid 2821 | . . . . 5 ⊢ (Base‘𝐹) = (Base‘𝐹) | |
6 | 4, 5 | srngf1o 19619 | . . . 4 ⊢ (𝐹 ∈ *-Ring → (*rf‘𝐹):(Base‘𝐹)–1-1-onto→(Base‘𝐹)) |
7 | f1of1 6609 | . . . 4 ⊢ ((*rf‘𝐹):(Base‘𝐹)–1-1-onto→(Base‘𝐹) → (*rf‘𝐹):(Base‘𝐹)–1-1→(Base‘𝐹)) | |
8 | 3, 6, 7 | 3syl 18 | . . 3 ⊢ ((𝑊 ∈ PreHil ∧ 𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑉) → (*rf‘𝐹):(Base‘𝐹)–1-1→(Base‘𝐹)) |
9 | phllmhm.h | . . . 4 ⊢ , = (·𝑖‘𝑊) | |
10 | phllmhm.v | . . . 4 ⊢ 𝑉 = (Base‘𝑊) | |
11 | 1, 9, 10, 5 | ipcl 20771 | . . 3 ⊢ ((𝑊 ∈ PreHil ∧ 𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑉) → (𝐴 , 𝐵) ∈ (Base‘𝐹)) |
12 | phllmod 20768 | . . . . 5 ⊢ (𝑊 ∈ PreHil → 𝑊 ∈ LMod) | |
13 | 12 | 3ad2ant1 1129 | . . . 4 ⊢ ((𝑊 ∈ PreHil ∧ 𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑉) → 𝑊 ∈ LMod) |
14 | ip0l.z | . . . . 5 ⊢ 𝑍 = (0g‘𝐹) | |
15 | 1, 5, 14 | lmod0cl 19654 | . . . 4 ⊢ (𝑊 ∈ LMod → 𝑍 ∈ (Base‘𝐹)) |
16 | 13, 15 | syl 17 | . . 3 ⊢ ((𝑊 ∈ PreHil ∧ 𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑉) → 𝑍 ∈ (Base‘𝐹)) |
17 | f1fveq 7014 | . . 3 ⊢ (((*rf‘𝐹):(Base‘𝐹)–1-1→(Base‘𝐹) ∧ ((𝐴 , 𝐵) ∈ (Base‘𝐹) ∧ 𝑍 ∈ (Base‘𝐹))) → (((*rf‘𝐹)‘(𝐴 , 𝐵)) = ((*rf‘𝐹)‘𝑍) ↔ (𝐴 , 𝐵) = 𝑍)) | |
18 | 8, 11, 16, 17 | syl12anc 834 | . 2 ⊢ ((𝑊 ∈ PreHil ∧ 𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑉) → (((*rf‘𝐹)‘(𝐴 , 𝐵)) = ((*rf‘𝐹)‘𝑍) ↔ (𝐴 , 𝐵) = 𝑍)) |
19 | eqid 2821 | . . . . . 6 ⊢ (*𝑟‘𝐹) = (*𝑟‘𝐹) | |
20 | 5, 19, 4 | stafval 19613 | . . . . 5 ⊢ ((𝐴 , 𝐵) ∈ (Base‘𝐹) → ((*rf‘𝐹)‘(𝐴 , 𝐵)) = ((*𝑟‘𝐹)‘(𝐴 , 𝐵))) |
21 | 11, 20 | syl 17 | . . . 4 ⊢ ((𝑊 ∈ PreHil ∧ 𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑉) → ((*rf‘𝐹)‘(𝐴 , 𝐵)) = ((*𝑟‘𝐹)‘(𝐴 , 𝐵))) |
22 | 1, 9, 10, 19 | ipcj 20772 | . . . 4 ⊢ ((𝑊 ∈ PreHil ∧ 𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑉) → ((*𝑟‘𝐹)‘(𝐴 , 𝐵)) = (𝐵 , 𝐴)) |
23 | 21, 22 | eqtrd 2856 | . . 3 ⊢ ((𝑊 ∈ PreHil ∧ 𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑉) → ((*rf‘𝐹)‘(𝐴 , 𝐵)) = (𝐵 , 𝐴)) |
24 | 5, 19, 4 | stafval 19613 | . . . . 5 ⊢ (𝑍 ∈ (Base‘𝐹) → ((*rf‘𝐹)‘𝑍) = ((*𝑟‘𝐹)‘𝑍)) |
25 | 16, 24 | syl 17 | . . . 4 ⊢ ((𝑊 ∈ PreHil ∧ 𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑉) → ((*rf‘𝐹)‘𝑍) = ((*𝑟‘𝐹)‘𝑍)) |
26 | 19, 14 | srng0 19625 | . . . . 5 ⊢ (𝐹 ∈ *-Ring → ((*𝑟‘𝐹)‘𝑍) = 𝑍) |
27 | 3, 26 | syl 17 | . . . 4 ⊢ ((𝑊 ∈ PreHil ∧ 𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑉) → ((*𝑟‘𝐹)‘𝑍) = 𝑍) |
28 | 25, 27 | eqtrd 2856 | . . 3 ⊢ ((𝑊 ∈ PreHil ∧ 𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑉) → ((*rf‘𝐹)‘𝑍) = 𝑍) |
29 | 23, 28 | eqeq12d 2837 | . 2 ⊢ ((𝑊 ∈ PreHil ∧ 𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑉) → (((*rf‘𝐹)‘(𝐴 , 𝐵)) = ((*rf‘𝐹)‘𝑍) ↔ (𝐵 , 𝐴) = 𝑍)) |
30 | 18, 29 | bitr3d 283 | 1 ⊢ ((𝑊 ∈ PreHil ∧ 𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑉) → ((𝐴 , 𝐵) = 𝑍 ↔ (𝐵 , 𝐴) = 𝑍)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 208 ∧ w3a 1083 = wceq 1533 ∈ wcel 2110 –1-1→wf1 6347 –1-1-onto→wf1o 6349 ‘cfv 6350 (class class class)co 7150 Basecbs 16477 *𝑟cstv 16561 Scalarcsca 16562 ·𝑖cip 16564 0gc0g 16707 *rfcstf 19608 *-Ringcsr 19609 LModclmod 19628 PreHilcphl 20762 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2156 ax-12 2172 ax-ext 2793 ax-rep 5183 ax-sep 5196 ax-nul 5203 ax-pow 5259 ax-pr 5322 ax-un 7455 ax-cnex 10587 ax-resscn 10588 ax-1cn 10589 ax-icn 10590 ax-addcl 10591 ax-addrcl 10592 ax-mulcl 10593 ax-mulrcl 10594 ax-mulcom 10595 ax-addass 10596 ax-mulass 10597 ax-distr 10598 ax-i2m1 10599 ax-1ne0 10600 ax-1rid 10601 ax-rnegex 10602 ax-rrecex 10603 ax-cnre 10604 ax-pre-lttri 10605 ax-pre-lttrn 10606 ax-pre-ltadd 10607 ax-pre-mulgt0 10608 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-mo 2618 df-eu 2650 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-nel 3124 df-ral 3143 df-rex 3144 df-reu 3145 df-rmo 3146 df-rab 3147 df-v 3497 df-sbc 3773 df-csb 3884 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-pss 3954 df-nul 4292 df-if 4468 df-pw 4541 df-sn 4562 df-pr 4564 df-tp 4566 df-op 4568 df-uni 4833 df-iun 4914 df-br 5060 df-opab 5122 df-mpt 5140 df-tr 5166 df-id 5455 df-eprel 5460 df-po 5469 df-so 5470 df-fr 5509 df-we 5511 df-xp 5556 df-rel 5557 df-cnv 5558 df-co 5559 df-dm 5560 df-rn 5561 df-res 5562 df-ima 5563 df-pred 6143 df-ord 6189 df-on 6190 df-lim 6191 df-suc 6192 df-iota 6309 df-fun 6352 df-fn 6353 df-f 6354 df-f1 6355 df-fo 6356 df-f1o 6357 df-fv 6358 df-riota 7108 df-ov 7153 df-oprab 7154 df-mpo 7155 df-om 7575 df-tpos 7886 df-wrecs 7941 df-recs 8002 df-rdg 8040 df-er 8283 df-map 8402 df-en 8504 df-dom 8505 df-sdom 8506 df-pnf 10671 df-mnf 10672 df-xr 10673 df-ltxr 10674 df-le 10675 df-sub 10866 df-neg 10867 df-nn 11633 df-2 11694 df-3 11695 df-4 11696 df-5 11697 df-6 11698 df-7 11699 df-8 11700 df-ndx 16480 df-slot 16481 df-base 16483 df-sets 16484 df-plusg 16572 df-mulr 16573 df-sca 16575 df-vsca 16576 df-ip 16577 df-0g 16709 df-mgm 17846 df-sgrp 17895 df-mnd 17906 df-mhm 17950 df-grp 18100 df-ghm 18350 df-mgp 19234 df-ur 19246 df-ring 19293 df-oppr 19367 df-rnghom 19461 df-staf 19610 df-srng 19611 df-lmod 19630 df-lmhm 19788 df-lvec 19869 df-sra 19938 df-rgmod 19939 df-phl 20764 |
This theorem is referenced by: ocvocv 20809 lsmcss 20830 cphorthcom 23799 |
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