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| Mirrors > Home > ILE Home > Th. List > mhmf | GIF version | ||
| Description: A monoid homomorphism is a function. (Contributed by Mario Carneiro, 7-Mar-2015.) |
| Ref | Expression |
|---|---|
| mhmf.b | ⊢ 𝐵 = (Base‘𝑆) |
| mhmf.c | ⊢ 𝐶 = (Base‘𝑇) |
| Ref | Expression |
|---|---|
| mhmf | ⊢ (𝐹 ∈ (𝑆 MndHom 𝑇) → 𝐹:𝐵⟶𝐶) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mhmf.b | . . . 4 ⊢ 𝐵 = (Base‘𝑆) | |
| 2 | mhmf.c | . . . 4 ⊢ 𝐶 = (Base‘𝑇) | |
| 3 | eqid 2229 | . . . 4 ⊢ (+g‘𝑆) = (+g‘𝑆) | |
| 4 | eqid 2229 | . . . 4 ⊢ (+g‘𝑇) = (+g‘𝑇) | |
| 5 | eqid 2229 | . . . 4 ⊢ (0g‘𝑆) = (0g‘𝑆) | |
| 6 | eqid 2229 | . . . 4 ⊢ (0g‘𝑇) = (0g‘𝑇) | |
| 7 | 1, 2, 3, 4, 5, 6 | ismhm 13534 | . . 3 ⊢ (𝐹 ∈ (𝑆 MndHom 𝑇) ↔ ((𝑆 ∈ Mnd ∧ 𝑇 ∈ Mnd) ∧ (𝐹:𝐵⟶𝐶 ∧ ∀𝑥 ∈ 𝐵 ∀𝑦 ∈ 𝐵 (𝐹‘(𝑥(+g‘𝑆)𝑦)) = ((𝐹‘𝑥)(+g‘𝑇)(𝐹‘𝑦)) ∧ (𝐹‘(0g‘𝑆)) = (0g‘𝑇)))) |
| 8 | 7 | simprbi 275 | . 2 ⊢ (𝐹 ∈ (𝑆 MndHom 𝑇) → (𝐹:𝐵⟶𝐶 ∧ ∀𝑥 ∈ 𝐵 ∀𝑦 ∈ 𝐵 (𝐹‘(𝑥(+g‘𝑆)𝑦)) = ((𝐹‘𝑥)(+g‘𝑇)(𝐹‘𝑦)) ∧ (𝐹‘(0g‘𝑆)) = (0g‘𝑇))) |
| 9 | 8 | simp1d 1033 | 1 ⊢ (𝐹 ∈ (𝑆 MndHom 𝑇) → 𝐹:𝐵⟶𝐶) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 ∧ w3a 1002 = wceq 1395 ∈ wcel 2200 ∀wral 2508 ⟶wf 5320 ‘cfv 5324 (class class class)co 6013 Basecbs 13072 +gcplusg 13150 0gc0g 13329 Mndcmnd 13489 MndHom cmhm 13530 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-sep 4205 ax-pow 4262 ax-pr 4297 ax-un 4528 ax-setind 4633 ax-cnex 8113 ax-resscn 8114 ax-1re 8116 ax-addrcl 8119 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-fal 1401 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ne 2401 df-ral 2513 df-rex 2514 df-rab 2517 df-v 2802 df-sbc 3030 df-csb 3126 df-dif 3200 df-un 3202 df-in 3204 df-ss 3211 df-pw 3652 df-sn 3673 df-pr 3674 df-op 3676 df-uni 3892 df-int 3927 df-iun 3970 df-br 4087 df-opab 4149 df-mpt 4150 df-id 4388 df-xp 4729 df-rel 4730 df-cnv 4731 df-co 4732 df-dm 4733 df-rn 4734 df-res 4735 df-ima 4736 df-iota 5284 df-fun 5326 df-fn 5327 df-f 5328 df-fv 5332 df-ov 6016 df-oprab 6017 df-mpo 6018 df-1st 6298 df-2nd 6299 df-map 6814 df-inn 9134 df-ndx 13075 df-slot 13076 df-base 13078 df-mhm 13532 |
| This theorem is referenced by: mhmf1o 13543 resmhm 13560 resmhm2 13561 resmhm2b 13562 mhmco 13563 mhmima 13564 mhmeql 13565 gsumwmhm 13571 mhmmulg 13740 ghmmhmb 13831 gsumfzmhm 13920 gsumfzmhm2 13921 |
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