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| Mirrors > Home > MPE Home > Th. List > mhmrcl1 | Structured version Visualization version GIF version | ||
| Description: Reverse closure of a monoid homomorphism. (Contributed by Mario Carneiro, 7-Mar-2015.) |
| Ref | Expression |
|---|---|
| mhmrcl1 | ⊢ (𝐹 ∈ (𝑆 MndHom 𝑇) → 𝑆 ∈ Mnd) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-mhm 18958 | . 2 ⊢ MndHom = (𝑠 ∈ Mnd, 𝑡 ∈ Mnd ↦ {𝑓 ∈ ((Base‘𝑡) ↑m (Base‘𝑠)) ∣ (∀𝑥 ∈ (Base‘𝑠)∀𝑦 ∈ (Base‘𝑠)(𝑓‘(𝑥(+g‘𝑠)𝑦)) = ((𝑓‘𝑥)(+g‘𝑡)(𝑓‘𝑦)) ∧ (𝑓‘(0g‘𝑠)) = (0g‘𝑡))}) | |
| 2 | 1 | elmpocl1 7655 | 1 ⊢ (𝐹 ∈ (𝑆 MndHom 𝑇) → 𝑆 ∈ Mnd) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2145 ∀wral 3077 {crab 3413 ‘cfv 6531 (class class class)co 7412 ↑m cmap 8831 Basecbs 17367 +gcplusg 17408 0gc0g 17590 Mndcmnd 18903 MndHom cmhm 18956 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-sep 5249 ax-nul 5260 ax-pr 5391 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-ral 3078 df-rex 3088 df-rab 3414 df-v 3453 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-opab 5168 df-xp 5657 df-dm 5661 df-iota 6487 df-fv 6539 df-ov 7415 df-oprab 7416 df-mpo 7417 df-mhm 18958 |
| This theorem is used by: mhmf1o 18971 mhmvlin 18976 resmhm2 18997 resmhm2b 18998 mhmco 18999 mhmeql 19002 pwsco2mhm 19009 gsumwmhm 19021 mhmmulg 19305 mhmcompl 22410 mhmimasplusg 33580 fxpsubm 33715 mhmhmeotmd 34541 |
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