| Mathbox for Thierry Arnoux |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > imasmhm | Structured version Visualization version GIF version | ||
| Description: Given a function 𝐹 with homomorphic properties, build the image of a monoid. (Contributed by Thierry Arnoux, 2-Apr-2025.) |
| Ref | Expression |
|---|---|
| imasmhm.b | ⊢ 𝐵 = (Base‘𝑊) |
| imasmhm.f | ⊢ (𝜑 → 𝐹:𝐵⟶𝐶) |
| imasmhm.1 | ⊢ + = (+g‘𝑊) |
| imasmhm.2 | ⊢ ((𝜑 ∧ (𝑎 ∈ 𝐵 ∧ 𝑏 ∈ 𝐵) ∧ (𝑝 ∈ 𝐵 ∧ 𝑞 ∈ 𝐵)) → (((𝐹‘𝑎) = (𝐹‘𝑝) ∧ (𝐹‘𝑏) = (𝐹‘𝑞)) → (𝐹‘(𝑎 + 𝑏)) = (𝐹‘(𝑝 + 𝑞)))) |
| imasmhm.w | ⊢ (𝜑 → 𝑊 ∈ Mnd) |
| Ref | Expression |
|---|---|
| imasmhm | ⊢ (𝜑 → ((𝐹 “s 𝑊) ∈ Mnd ∧ 𝐹 ∈ (𝑊 MndHom (𝐹 “s 𝑊)))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqidd 2761 | . . . 4 ⊢ (𝜑 → (𝐹 “s 𝑊) = (𝐹 “s 𝑊)) | |
| 2 | imasmhm.b | . . . . 5 ⊢ 𝐵 = (Base‘𝑊) | |
| 3 | 2 | a1i 11 | . . . 4 ⊢ (𝜑 → 𝐵 = (Base‘𝑊)) |
| 4 | imasmhm.1 | . . . 4 ⊢ + = (+g‘𝑊) | |
| 5 | imasmhm.f | . . . . 5 ⊢ (𝜑 → 𝐹:𝐵⟶𝐶) | |
| 6 | fimadmfo 6805 | . . . . 5 ⊢ (𝐹:𝐵⟶𝐶 → 𝐹:𝐵–onto→(𝐹 “ 𝐵)) | |
| 7 | 5, 6 | syl 18 | . . . 4 ⊢ (𝜑 → 𝐹:𝐵–onto→(𝐹 “ 𝐵)) |
| 8 | imasmhm.2 | . . . 4 ⊢ ((𝜑 ∧ (𝑎 ∈ 𝐵 ∧ 𝑏 ∈ 𝐵) ∧ (𝑝 ∈ 𝐵 ∧ 𝑞 ∈ 𝐵)) → (((𝐹‘𝑎) = (𝐹‘𝑝) ∧ (𝐹‘𝑏) = (𝐹‘𝑞)) → (𝐹‘(𝑎 + 𝑏)) = (𝐹‘(𝑝 + 𝑞)))) | |
| 9 | imasmhm.w | . . . 4 ⊢ (𝜑 → 𝑊 ∈ Mnd) | |
| 10 | eqid 2760 | . . . 4 ⊢ (0g‘𝑊) = (0g‘𝑊) | |
| 11 | 1, 3, 4, 7, 8, 9, 10 | imasmnd 18974 | . . 3 ⊢ (𝜑 → ((𝐹 “s 𝑊) ∈ Mnd ∧ (𝐹‘(0g‘𝑊)) = (0g‘(𝐹 “s 𝑊)))) |
| 12 | 11 | simpld 500 | . 2 ⊢ (𝜑 → (𝐹 “s 𝑊) ∈ Mnd) |
| 13 | eqid 2760 | . . 3 ⊢ (Base‘(𝐹 “s 𝑊)) = (Base‘(𝐹 “s 𝑊)) | |
| 14 | eqid 2760 | . . 3 ⊢ (+g‘(𝐹 “s 𝑊)) = (+g‘(𝐹 “s 𝑊)) | |
| 15 | eqid 2760 | . . 3 ⊢ (0g‘(𝐹 “s 𝑊)) = (0g‘(𝐹 “s 𝑊)) | |
| 16 | fof 6796 | . . . . 5 ⊢ (𝐹:𝐵–onto→(𝐹 “ 𝐵) → 𝐹:𝐵⟶(𝐹 “ 𝐵)) | |
| 17 | 7, 16 | syl 18 | . . . 4 ⊢ (𝜑 → 𝐹:𝐵⟶(𝐹 “ 𝐵)) |
| 18 | 1, 3, 7, 9 | imasbas 17689 | . . . . 5 ⊢ (𝜑 → (𝐹 “ 𝐵) = (Base‘(𝐹 “s 𝑊))) |
| 19 | 18 | feq3d 6694 | . . . 4 ⊢ (𝜑 → (𝐹:𝐵⟶(𝐹 “ 𝐵) ↔ 𝐹:𝐵⟶(Base‘(𝐹 “s 𝑊)))) |
| 20 | 17, 19 | mpbid 235 | . . 3 ⊢ (𝜑 → 𝐹:𝐵⟶(Base‘(𝐹 “s 𝑊))) |
| 21 | 7, 8, 1, 3, 9, 4, 14 | imasaddval 17709 | . . . . 5 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵) → ((𝐹‘𝑥)(+g‘(𝐹 “s 𝑊))(𝐹‘𝑦)) = (𝐹‘(𝑥 + 𝑦))) |
| 22 | 21 | 3expb 1138 | . . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → ((𝐹‘𝑥)(+g‘(𝐹 “s 𝑊))(𝐹‘𝑦)) = (𝐹‘(𝑥 + 𝑦))) |
| 23 | 22 | eqcomd 2766 | . . 3 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝐹‘(𝑥 + 𝑦)) = ((𝐹‘𝑥)(+g‘(𝐹 “s 𝑊))(𝐹‘𝑦))) |
| 24 | 11 | simprd 501 | . . 3 ⊢ (𝜑 → (𝐹‘(0g‘𝑊)) = (0g‘(𝐹 “s 𝑊))) |
| 25 | 2, 13, 4, 14, 10, 15, 9, 12, 20, 23, 24 | ismhmd 18986 | . 2 ⊢ (𝜑 → 𝐹 ∈ (𝑊 MndHom (𝐹 “s 𝑊))) |
| 26 | 12, 25 | jca 521 | 1 ⊢ (𝜑 → ((𝐹 “s 𝑊) ∈ Mnd ∧ 𝐹 ∈ (𝑊 MndHom (𝐹 “s 𝑊)))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∧ w3a 1103 = wceq 1569 ∈ wcel 2144 “ cima 5653 ⟶wf 6534 –onto→wfo 6536 ‘cfv 6538 (class class class)co 7420 Basecbs 17392 +gcplusg 17433 0gc0g 17615 “s cimas 17681 Mndcmnd 18928 MndHom cmhm 18981 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7751 ax-cnex 11259 ax-resscn 11260 ax-1cn 11261 ax-icn 11262 ax-addcl 11263 ax-addrcl 11264 ax-mulcl 11265 ax-mulrcl 11266 ax-mulcom 11267 ax-addass 11268 ax-mulass 11269 ax-distr 11270 ax-i2m1 11271 ax-1ne0 11272 ax-1rid 11273 ax-rnegex 11274 ax-rrecex 11275 ax-cnre 11276 ax-pre-lttri 11277 ax-pre-lttrn 11278 ax-pre-ltadd 11279 ax-pre-mulgt0 11280 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-ss 3896 df-pss 4014 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4835 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5545 df-eprel 5550 df-po 5558 df-so 5559 df-fr 5603 df-we 5605 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-riota 7377 df-ov 7423 df-oprab 7424 df-mpo 7425 df-om 7878 df-1st 8001 df-2nd 8002 df-frecs 8302 df-wrecs 8333 df-recs 8382 df-rdg 8421 df-1o 8479 df-er 8720 df-map 8852 df-en 8977 df-dom 8978 df-sdom 8979 df-fin 8980 df-sup 9437 df-inf 9438 df-pnf 11348 df-mnf 11349 df-xr 11350 df-ltxr 11351 df-le 11352 df-sub 11546 df-neg 11547 df-nn 12339 df-2 12408 df-3 12409 df-4 12410 df-5 12411 df-6 12412 df-7 12413 df-8 12414 df-9 12415 df-n0 12610 df-z 12697 df-dec 12818 df-uz 12969 df-fz 13643 df-struct 17330 df-slot 17365 df-ndx 17377 df-base 17393 df-plusg 17446 df-mulr 17447 df-sca 17449 df-vsca 17450 df-ip 17451 df-tset 17452 df-ple 17453 df-ds 17455 df-0g 17617 df-imas 17685 df-mgm 18821 df-sgrp 18913 df-mnd 18929 df-mhm 18983 |
| This theorem is used by: (None) |
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