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Mirrors > Home > MPE Home > Th. List > grporinv | Structured version Visualization version GIF version |
Description: The right inverse of a group element. (Contributed by NM, 27-Oct-2006.) (New usage is discouraged.) |
Ref | Expression |
---|---|
grpinv.1 | ⊢ 𝑋 = ran 𝐺 |
grpinv.2 | ⊢ 𝑈 = (GId‘𝐺) |
grpinv.3 | ⊢ 𝑁 = (inv‘𝐺) |
Ref | Expression |
---|---|
grporinv | ⊢ ((𝐺 ∈ GrpOp ∧ 𝐴 ∈ 𝑋) → (𝐴𝐺(𝑁‘𝐴)) = 𝑈) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | grpinv.1 | . . 3 ⊢ 𝑋 = ran 𝐺 | |
2 | grpinv.2 | . . 3 ⊢ 𝑈 = (GId‘𝐺) | |
3 | grpinv.3 | . . 3 ⊢ 𝑁 = (inv‘𝐺) | |
4 | 1, 2, 3 | grpoinv 27952 | . 2 ⊢ ((𝐺 ∈ GrpOp ∧ 𝐴 ∈ 𝑋) → (((𝑁‘𝐴)𝐺𝐴) = 𝑈 ∧ (𝐴𝐺(𝑁‘𝐴)) = 𝑈)) |
5 | 4 | simprd 491 | 1 ⊢ ((𝐺 ∈ GrpOp ∧ 𝐴 ∈ 𝑋) → (𝐴𝐺(𝑁‘𝐴)) = 𝑈) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 386 = wceq 1601 ∈ wcel 2107 ran crn 5356 ‘cfv 6135 (class class class)co 6922 GrpOpcgr 27916 GIdcgi 27917 invcgn 27918 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1839 ax-4 1853 ax-5 1953 ax-6 2021 ax-7 2055 ax-8 2109 ax-9 2116 ax-10 2135 ax-11 2150 ax-12 2163 ax-13 2334 ax-ext 2754 ax-rep 5006 ax-sep 5017 ax-nul 5025 ax-pr 5138 ax-un 7226 |
This theorem depends on definitions: df-bi 199 df-an 387 df-or 837 df-3an 1073 df-tru 1605 df-ex 1824 df-nf 1828 df-sb 2012 df-mo 2551 df-eu 2587 df-clab 2764 df-cleq 2770 df-clel 2774 df-nfc 2921 df-ne 2970 df-ral 3095 df-rex 3096 df-reu 3097 df-rab 3099 df-v 3400 df-sbc 3653 df-csb 3752 df-dif 3795 df-un 3797 df-in 3799 df-ss 3806 df-nul 4142 df-if 4308 df-sn 4399 df-pr 4401 df-op 4405 df-uni 4672 df-iun 4755 df-br 4887 df-opab 4949 df-mpt 4966 df-id 5261 df-xp 5361 df-rel 5362 df-cnv 5363 df-co 5364 df-dm 5365 df-rn 5366 df-res 5367 df-ima 5368 df-iota 6099 df-fun 6137 df-fn 6138 df-f 6139 df-f1 6140 df-fo 6141 df-f1o 6142 df-fv 6143 df-riota 6883 df-ov 6925 df-grpo 27920 df-gid 27921 df-ginv 27922 |
This theorem is referenced by: grpoinvid1 27955 grpoinvid2 27956 grpo2inv 27958 grpoinvop 27960 grpodivid 27969 vcm 28003 nvrinv 28078 rngoaddneg1 34351 |
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