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Mirrors > Home > MPE Home > Th. List > gimghm | Structured version Visualization version GIF version |
Description: An isomorphism of groups is a homomorphism. (Contributed by Stefan O'Rear, 21-Jan-2015.) (Revised by Mario Carneiro, 6-May-2015.) |
Ref | Expression |
---|---|
gimghm | ⊢ (𝐹 ∈ (𝑅 GrpIso 𝑆) → 𝐹 ∈ (𝑅 GrpHom 𝑆)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqid 2737 | . . 3 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
2 | eqid 2737 | . . 3 ⊢ (Base‘𝑆) = (Base‘𝑆) | |
3 | 1, 2 | isgim 18945 | . 2 ⊢ (𝐹 ∈ (𝑅 GrpIso 𝑆) ↔ (𝐹 ∈ (𝑅 GrpHom 𝑆) ∧ 𝐹:(Base‘𝑅)–1-1-onto→(Base‘𝑆))) |
4 | 3 | simplbi 498 | 1 ⊢ (𝐹 ∈ (𝑅 GrpIso 𝑆) → 𝐹 ∈ (𝑅 GrpHom 𝑆)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2105 –1-1-onto→wf1o 6462 ‘cfv 6463 (class class class)co 7313 Basecbs 16979 GrpHom cghm 18898 GrpIso cgim 18940 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1912 ax-6 1970 ax-7 2010 ax-8 2107 ax-9 2115 ax-10 2136 ax-11 2153 ax-12 2170 ax-ext 2708 ax-rep 5222 ax-sep 5236 ax-nul 5243 ax-pow 5301 ax-pr 5365 ax-un 7626 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1781 df-nf 1785 df-sb 2067 df-mo 2539 df-eu 2568 df-clab 2715 df-cleq 2729 df-clel 2815 df-nfc 2887 df-ne 2942 df-ral 3063 df-rex 3072 df-reu 3351 df-rab 3405 df-v 3443 df-sbc 3726 df-csb 3842 df-dif 3899 df-un 3901 df-in 3903 df-ss 3913 df-nul 4267 df-if 4470 df-pw 4545 df-sn 4570 df-pr 4572 df-op 4576 df-uni 4849 df-iun 4937 df-br 5086 df-opab 5148 df-mpt 5169 df-id 5505 df-xp 5611 df-rel 5612 df-cnv 5613 df-co 5614 df-dm 5615 df-rn 5616 df-res 5617 df-ima 5618 df-iota 6415 df-fun 6465 df-fn 6466 df-f 6467 df-f1 6468 df-fo 6469 df-f1o 6470 df-fv 6471 df-ov 7316 df-oprab 7317 df-mpo 7318 df-ghm 18899 df-gim 18942 |
This theorem is referenced by: subggim 18949 giclcl 18955 gicrcl 18956 gicsubgen 18961 symgtrinv 19147 giccyg 19568 gsumzinv 19613 gim0to0 20053 amgmlem 26210 abliso 31413 gicabl 41135 amgmwlem 46765 |
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