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| Mirrors > Home > ILE Home > Th. List > mhmfmhm | GIF version | ||
| Description: The function fulfilling the conditions of mhmmnd 13766 is a monoid homomorphism. (Contributed by Thierry Arnoux, 26-Jan-2020.) |
| Ref | Expression |
|---|---|
| ghmgrp.f | ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑋 ∧ 𝑦 ∈ 𝑋) → (𝐹‘(𝑥 + 𝑦)) = ((𝐹‘𝑥) ⨣ (𝐹‘𝑦))) |
| ghmgrp.x | ⊢ 𝑋 = (Base‘𝐺) |
| ghmgrp.y | ⊢ 𝑌 = (Base‘𝐻) |
| ghmgrp.p | ⊢ + = (+g‘𝐺) |
| ghmgrp.q | ⊢ ⨣ = (+g‘𝐻) |
| ghmgrp.1 | ⊢ (𝜑 → 𝐹:𝑋–onto→𝑌) |
| mhmmnd.3 | ⊢ (𝜑 → 𝐺 ∈ Mnd) |
| Ref | Expression |
|---|---|
| mhmfmhm | ⊢ (𝜑 → 𝐹 ∈ (𝐺 MndHom 𝐻)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mhmmnd.3 | . 2 ⊢ (𝜑 → 𝐺 ∈ Mnd) | |
| 2 | ghmgrp.f | . . 3 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑋 ∧ 𝑦 ∈ 𝑋) → (𝐹‘(𝑥 + 𝑦)) = ((𝐹‘𝑥) ⨣ (𝐹‘𝑦))) | |
| 3 | ghmgrp.x | . . 3 ⊢ 𝑋 = (Base‘𝐺) | |
| 4 | ghmgrp.y | . . 3 ⊢ 𝑌 = (Base‘𝐻) | |
| 5 | ghmgrp.p | . . 3 ⊢ + = (+g‘𝐺) | |
| 6 | ghmgrp.q | . . 3 ⊢ ⨣ = (+g‘𝐻) | |
| 7 | ghmgrp.1 | . . 3 ⊢ (𝜑 → 𝐹:𝑋–onto→𝑌) | |
| 8 | 2, 3, 4, 5, 6, 7, 1 | mhmmnd 13766 | . 2 ⊢ (𝜑 → 𝐻 ∈ Mnd) |
| 9 | fof 5568 | . . . 4 ⊢ (𝐹:𝑋–onto→𝑌 → 𝐹:𝑋⟶𝑌) | |
| 10 | 7, 9 | syl 14 | . . 3 ⊢ (𝜑 → 𝐹:𝑋⟶𝑌) |
| 11 | 2 | 3expb 1231 | . . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑋 ∧ 𝑦 ∈ 𝑋)) → (𝐹‘(𝑥 + 𝑦)) = ((𝐹‘𝑥) ⨣ (𝐹‘𝑦))) |
| 12 | 11 | ralrimivva 2615 | . . 3 ⊢ (𝜑 → ∀𝑥 ∈ 𝑋 ∀𝑦 ∈ 𝑋 (𝐹‘(𝑥 + 𝑦)) = ((𝐹‘𝑥) ⨣ (𝐹‘𝑦))) |
| 13 | eqid 2231 | . . . 4 ⊢ (0g‘𝐺) = (0g‘𝐺) | |
| 14 | 2, 3, 4, 5, 6, 7, 1, 13 | mhmid 13765 | . . 3 ⊢ (𝜑 → (𝐹‘(0g‘𝐺)) = (0g‘𝐻)) |
| 15 | 10, 12, 14 | 3jca 1204 | . 2 ⊢ (𝜑 → (𝐹:𝑋⟶𝑌 ∧ ∀𝑥 ∈ 𝑋 ∀𝑦 ∈ 𝑋 (𝐹‘(𝑥 + 𝑦)) = ((𝐹‘𝑥) ⨣ (𝐹‘𝑦)) ∧ (𝐹‘(0g‘𝐺)) = (0g‘𝐻))) |
| 16 | eqid 2231 | . . 3 ⊢ (0g‘𝐻) = (0g‘𝐻) | |
| 17 | 3, 4, 5, 6, 13, 16 | ismhm 13607 | . 2 ⊢ (𝐹 ∈ (𝐺 MndHom 𝐻) ↔ ((𝐺 ∈ Mnd ∧ 𝐻 ∈ Mnd) ∧ (𝐹:𝑋⟶𝑌 ∧ ∀𝑥 ∈ 𝑋 ∀𝑦 ∈ 𝑋 (𝐹‘(𝑥 + 𝑦)) = ((𝐹‘𝑥) ⨣ (𝐹‘𝑦)) ∧ (𝐹‘(0g‘𝐺)) = (0g‘𝐻)))) |
| 18 | 1, 8, 15, 17 | syl21anbrc 1209 | 1 ⊢ (𝜑 → 𝐹 ∈ (𝐺 MndHom 𝐻)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ w3a 1005 = wceq 1398 ∈ wcel 2202 ∀wral 2511 ⟶wf 5329 –onto→wfo 5331 ‘cfv 5333 (class class class)co 6028 Basecbs 13145 +gcplusg 13223 0gc0g 13402 Mndcmnd 13562 MndHom cmhm 13603 |
| 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 619 ax-in2 620 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2204 ax-14 2205 ax-ext 2213 ax-sep 4212 ax-pow 4270 ax-pr 4305 ax-un 4536 ax-setind 4641 ax-cnex 8166 ax-resscn 8167 ax-1re 8169 ax-addrcl 8172 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ne 2404 df-ral 2516 df-rex 2517 df-reu 2518 df-rmo 2519 df-rab 2520 df-v 2805 df-sbc 3033 df-csb 3129 df-dif 3203 df-un 3205 df-in 3207 df-ss 3214 df-pw 3658 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-int 3934 df-iun 3977 df-br 4094 df-opab 4156 df-mpt 4157 df-id 4396 df-xp 4737 df-rel 4738 df-cnv 4739 df-co 4740 df-dm 4741 df-rn 4742 df-res 4743 df-ima 4744 df-iota 5293 df-fun 5335 df-fn 5336 df-f 5337 df-fo 5339 df-fv 5341 df-riota 5981 df-ov 6031 df-oprab 6032 df-mpo 6033 df-1st 6312 df-2nd 6313 df-map 6862 df-inn 9186 df-2 9244 df-ndx 13148 df-slot 13149 df-base 13151 df-plusg 13236 df-0g 13404 df-mgm 13502 df-sgrp 13548 df-mnd 13563 df-mhm 13605 |
| This theorem is referenced by: (None) |
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