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| Mirrors > Home > MPE Home > Th. List > mgmhmrcl | Structured version Visualization version GIF version | ||
| Description: Reverse closure of a magma homomorphism. (Contributed by AV, 24-Feb-2020.) |
| Ref | Expression |
|---|---|
| mgmhmrcl | ⊢ (𝐹 ∈ (𝑆 MgmHom 𝑇) → (𝑆 ∈ Mgm ∧ 𝑇 ∈ Mgm)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-mgmhm 18670 | . 2 ⊢ MgmHom = (𝑠 ∈ Mgm, 𝑡 ∈ Mgm ↦ {𝑓 ∈ ((Base‘𝑡) ↑m (Base‘𝑠)) ∣ ∀𝑥 ∈ (Base‘𝑠)∀𝑦 ∈ (Base‘𝑠)(𝑓‘(𝑥(+g‘𝑠)𝑦)) = ((𝑓‘𝑥)(+g‘𝑡)(𝑓‘𝑦))}) | |
| 2 | 1 | elmpocl 7648 | 1 ⊢ (𝐹 ∈ (𝑆 MgmHom 𝑇) → (𝑆 ∈ Mgm ∧ 𝑇 ∈ Mgm)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1540 ∈ wcel 2108 ∀wral 3051 {crab 3415 ‘cfv 6531 (class class class)co 7405 ↑m cmap 8840 Basecbs 17228 +gcplusg 17271 Mgmcmgm 18616 MgmHom cmgmhm 18668 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2007 ax-8 2110 ax-9 2118 ax-10 2141 ax-11 2157 ax-12 2177 ax-ext 2707 ax-sep 5266 ax-nul 5276 ax-pr 5402 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2065 df-mo 2539 df-eu 2568 df-clab 2714 df-cleq 2727 df-clel 2809 df-nfc 2885 df-ral 3052 df-rex 3061 df-rab 3416 df-v 3461 df-dif 3929 df-un 3931 df-ss 3943 df-nul 4309 df-if 4501 df-sn 4602 df-pr 4604 df-op 4608 df-uni 4884 df-br 5120 df-opab 5182 df-xp 5660 df-dm 5664 df-iota 6484 df-fv 6539 df-ov 7408 df-oprab 7409 df-mpo 7410 df-mgmhm 18670 |
| This theorem is referenced by: ismgmhm 18674 mgmhmf1o 18678 resmgmhm 18689 resmgmhm2 18690 resmgmhm2b 18691 mgmhmco 18692 mgmhmima 18693 mgmhmeql 18694 |
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