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| Mirrors > Home > ILE Home > Th. List > mhmfmhm | GIF version | ||
| Description: The function fulfilling the conditions of mhmmnd 13833 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 13833 | . 2 ⊢ (𝜑 → 𝐻 ∈ Mnd) |
| 9 | fof 5590 | . . . 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 2624 | . . 3 ⊢ (𝜑 → ∀𝑥 ∈ 𝑋 ∀𝑦 ∈ 𝑋 (𝐹‘(𝑥 + 𝑦)) = ((𝐹‘𝑥) ⨣ (𝐹‘𝑦))) |
| 13 | eqid 2232 | . . . 4 ⊢ (0g‘𝐺) = (0g‘𝐺) | |
| 14 | 2, 3, 4, 5, 6, 7, 1, 13 | mhmid 13832 | . . 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 2232 | . . 3 ⊢ (0g‘𝐻) = (0g‘𝐻) | |
| 17 | 3, 4, 5, 6, 13, 16 | ismhm 13674 | . 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 2203 ∀wral 2520 ⟶wf 5348 –onto→wfo 5350 ‘cfv 5352 (class class class)co 6050 Basecbs 13212 +gcplusg 13290 0gc0g 13469 Mndcmnd 13629 MndHom cmhm 13670 |
| 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 2205 ax-14 2206 ax-ext 2214 ax-sep 4228 ax-pow 4287 ax-pr 4322 ax-un 4554 ax-setind 4659 ax-cnex 8218 ax-resscn 8219 ax-1re 8221 ax-addrcl 8224 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1812 df-eu 2083 df-mo 2084 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-ne 2413 df-ral 2525 df-rex 2526 df-reu 2527 df-rmo 2528 df-rab 2529 df-v 2815 df-sbc 3043 df-csb 3139 df-dif 3213 df-un 3215 df-in 3217 df-ss 3224 df-pw 3671 df-sn 3695 df-pr 3696 df-op 3698 df-uni 3915 df-int 3950 df-iun 3993 df-br 4110 df-opab 4172 df-mpt 4173 df-id 4414 df-xp 4755 df-rel 4756 df-cnv 4757 df-co 4758 df-dm 4759 df-rn 4760 df-res 4761 df-ima 4762 df-iota 5312 df-fun 5354 df-fn 5355 df-f 5356 df-fo 5358 df-fv 5360 df-riota 6003 df-ov 6053 df-oprab 6054 df-mpo 6055 df-1st 6334 df-2nd 6335 df-map 6884 df-inn 9238 df-2 9296 df-ndx 13215 df-slot 13216 df-base 13218 df-plusg 13303 df-0g 13471 df-mgm 13569 df-sgrp 13615 df-mnd 13630 df-mhm 13672 |
| This theorem is referenced by: (None) |
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