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Mirrors > Home > MPE Home > Th. List > Mathboxes > rnghmf | Structured version Visualization version GIF version |
Description: A ring homomorphism is a function. (Contributed by AV, 23-Feb-2020.) |
Ref | Expression |
---|---|
rnghmf.b | ⊢ 𝐵 = (Base‘𝑅) |
rnghmf.c | ⊢ 𝐶 = (Base‘𝑆) |
Ref | Expression |
---|---|
rnghmf | ⊢ (𝐹 ∈ (𝑅 RngHomo 𝑆) → 𝐹:𝐵⟶𝐶) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rnghmghm 44176 | . 2 ⊢ (𝐹 ∈ (𝑅 RngHomo 𝑆) → 𝐹 ∈ (𝑅 GrpHom 𝑆)) | |
2 | rnghmf.b | . . 3 ⊢ 𝐵 = (Base‘𝑅) | |
3 | rnghmf.c | . . 3 ⊢ 𝐶 = (Base‘𝑆) | |
4 | 2, 3 | ghmf 18364 | . 2 ⊢ (𝐹 ∈ (𝑅 GrpHom 𝑆) → 𝐹:𝐵⟶𝐶) |
5 | 1, 4 | syl 17 | 1 ⊢ (𝐹 ∈ (𝑅 RngHomo 𝑆) → 𝐹:𝐵⟶𝐶) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1537 ∈ wcel 2114 ⟶wf 6353 ‘cfv 6357 (class class class)co 7158 Basecbs 16485 GrpHom cghm 18357 RngHomo crngh 44163 |
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 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2795 ax-rep 5192 ax-sep 5205 ax-nul 5212 ax-pow 5268 ax-pr 5332 ax-un 7463 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2802 df-cleq 2816 df-clel 2895 df-nfc 2965 df-ne 3019 df-ral 3145 df-rex 3146 df-reu 3147 df-rab 3149 df-v 3498 df-sbc 3775 df-csb 3886 df-dif 3941 df-un 3943 df-in 3945 df-ss 3954 df-nul 4294 df-if 4470 df-pw 4543 df-sn 4570 df-pr 4572 df-op 4576 df-uni 4841 df-iun 4923 df-br 5069 df-opab 5131 df-mpt 5149 df-id 5462 df-xp 5563 df-rel 5564 df-cnv 5565 df-co 5566 df-dm 5567 df-rn 5568 df-res 5569 df-ima 5570 df-iota 6316 df-fun 6359 df-fn 6360 df-f 6361 df-f1 6362 df-fo 6363 df-f1o 6364 df-fv 6365 df-ov 7161 df-oprab 7162 df-mpo 7163 df-map 8410 df-ghm 18358 df-abl 18911 df-rng0 44153 df-rnghomo 44165 |
This theorem is referenced by: rnghmf1o 44181 elrngchom 44246 rnghmsscmap2 44251 rnghmsscmap 44252 rnghmsubcsetclem2 44254 rngcsect 44258 rngcinv 44259 elrngchomALTV 44264 rngcinvALTV 44271 funcrngcsetc 44276 funcrngcsetcALT 44277 zrinitorngc 44278 zrtermorngc 44279 |
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