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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 28296 | . 2 ⊢ ((𝐺 ∈ GrpOp ∧ 𝐴 ∈ 𝑋) → (((𝑁‘𝐴)𝐺𝐴) = 𝑈 ∧ (𝐴𝐺(𝑁‘𝐴)) = 𝑈)) |
5 | 4 | simprd 498 | 1 ⊢ ((𝐺 ∈ GrpOp ∧ 𝐴 ∈ 𝑋) → (𝐴𝐺(𝑁‘𝐴)) = 𝑈) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 398 = wceq 1533 ∈ wcel 2110 ran crn 5550 ‘cfv 6349 (class class class)co 7150 GrpOpcgr 28260 GIdcgi 28261 invcgn 28262 |
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 2157 ax-12 2173 ax-ext 2793 ax-rep 5182 ax-sep 5195 ax-nul 5202 ax-pr 5321 ax-un 7455 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 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-ral 3143 df-rex 3144 df-reu 3145 df-rab 3147 df-v 3496 df-sbc 3772 df-csb 3883 df-dif 3938 df-un 3940 df-in 3942 df-ss 3951 df-nul 4291 df-if 4467 df-sn 4561 df-pr 4563 df-op 4567 df-uni 4832 df-iun 4913 df-br 5059 df-opab 5121 df-mpt 5139 df-id 5454 df-xp 5555 df-rel 5556 df-cnv 5557 df-co 5558 df-dm 5559 df-rn 5560 df-res 5561 df-ima 5562 df-iota 6308 df-fun 6351 df-fn 6352 df-f 6353 df-f1 6354 df-fo 6355 df-f1o 6356 df-fv 6357 df-riota 7108 df-ov 7153 df-grpo 28264 df-gid 28265 df-ginv 28266 |
This theorem is referenced by: grpoinvid1 28299 grpoinvid2 28300 grpo2inv 28302 grpoinvop 28304 grpodivid 28313 vcm 28347 nvrinv 28422 rngoaddneg1 35200 |
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