| Mathbox for Thierry Arnoux |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > imasrhm | Structured version Visualization version GIF version | ||
| Description: Given a function 𝐹 with homomorphic properties, build the image of a ring. (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)))) |
| imasrhm.3 | ⊢ · = (.r‘𝑊) |
| imasrhm.4 | ⊢ ((𝜑 ∧ (𝑎 ∈ 𝐵 ∧ 𝑏 ∈ 𝐵) ∧ (𝑝 ∈ 𝐵 ∧ 𝑞 ∈ 𝐵)) → (((𝐹‘𝑎) = (𝐹‘𝑝) ∧ (𝐹‘𝑏) = (𝐹‘𝑞)) → (𝐹‘(𝑎 · 𝑏)) = (𝐹‘(𝑝 · 𝑞)))) |
| imasrhm.w | ⊢ (𝜑 → 𝑊 ∈ Ring) |
| Ref | Expression |
|---|---|
| imasrhm | ⊢ (𝜑 → ((𝐹 “s 𝑊) ∈ Ring ∧ 𝐹 ∈ (𝑊 RingHom (𝐹 “s 𝑊)))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqidd 2762 | . . . 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 | imasrhm.3 | . . . 4 ⊢ · = (.r‘𝑊) | |
| 6 | eqid 2761 | . . . 4 ⊢ (1r‘𝑊) = (1r‘𝑊) | |
| 7 | imasmhm.f | . . . . 5 ⊢ (𝜑 → 𝐹:𝐵⟶𝐶) | |
| 8 | fimadmfo 6797 | . . . . 5 ⊢ (𝐹:𝐵⟶𝐶 → 𝐹:𝐵–onto→(𝐹 “ 𝐵)) | |
| 9 | 7, 8 | syl 18 | . . . 4 ⊢ (𝜑 → 𝐹:𝐵–onto→(𝐹 “ 𝐵)) |
| 10 | 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)))) | |
| 11 | imasrhm.4 | . . . 4 ⊢ ((𝜑 ∧ (𝑎 ∈ 𝐵 ∧ 𝑏 ∈ 𝐵) ∧ (𝑝 ∈ 𝐵 ∧ 𝑞 ∈ 𝐵)) → (((𝐹‘𝑎) = (𝐹‘𝑝) ∧ (𝐹‘𝑏) = (𝐹‘𝑞)) → (𝐹‘(𝑎 · 𝑏)) = (𝐹‘(𝑝 · 𝑞)))) | |
| 12 | imasrhm.w | . . . 4 ⊢ (𝜑 → 𝑊 ∈ Ring) | |
| 13 | 1, 3, 4, 5, 6, 9, 10, 11, 12 | imasring 20540 | . . 3 ⊢ (𝜑 → ((𝐹 “s 𝑊) ∈ Ring ∧ (𝐹‘(1r‘𝑊)) = (1r‘(𝐹 “s 𝑊)))) |
| 14 | 13 | simpld 500 | . 2 ⊢ (𝜑 → (𝐹 “s 𝑊) ∈ Ring) |
| 15 | eqid 2761 | . . 3 ⊢ (1r‘(𝐹 “s 𝑊)) = (1r‘(𝐹 “s 𝑊)) | |
| 16 | eqid 2761 | . . 3 ⊢ (.r‘(𝐹 “s 𝑊)) = (.r‘(𝐹 “s 𝑊)) | |
| 17 | 13 | simprd 501 | . . 3 ⊢ (𝜑 → (𝐹‘(1r‘𝑊)) = (1r‘(𝐹 “s 𝑊))) |
| 18 | 9, 11, 1, 3, 12, 5, 16 | imasmulval 17687 | . . . . 5 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵) → ((𝐹‘𝑥)(.r‘(𝐹 “s 𝑊))(𝐹‘𝑦)) = (𝐹‘(𝑥 · 𝑦))) |
| 19 | 18 | 3expb 1138 | . . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → ((𝐹‘𝑥)(.r‘(𝐹 “s 𝑊))(𝐹‘𝑦)) = (𝐹‘(𝑥 · 𝑦))) |
| 20 | 19 | eqcomd 2767 | . . 3 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝐹‘(𝑥 · 𝑦)) = ((𝐹‘𝑥)(.r‘(𝐹 “s 𝑊))(𝐹‘𝑦))) |
| 21 | eqid 2761 | . . 3 ⊢ (Base‘(𝐹 “s 𝑊)) = (Base‘(𝐹 “s 𝑊)) | |
| 22 | eqid 2761 | . . 3 ⊢ (+g‘(𝐹 “s 𝑊)) = (+g‘(𝐹 “s 𝑊)) | |
| 23 | fof 6788 | . . . . 5 ⊢ (𝐹:𝐵–onto→(𝐹 “ 𝐵) → 𝐹:𝐵⟶(𝐹 “ 𝐵)) | |
| 24 | 9, 23 | syl 18 | . . . 4 ⊢ (𝜑 → 𝐹:𝐵⟶(𝐹 “ 𝐵)) |
| 25 | 1, 3, 9, 12 | imasbas 17664 | . . . . 5 ⊢ (𝜑 → (𝐹 “ 𝐵) = (Base‘(𝐹 “s 𝑊))) |
| 26 | 25 | feq3d 6686 | . . . 4 ⊢ (𝜑 → (𝐹:𝐵⟶(𝐹 “ 𝐵) ↔ 𝐹:𝐵⟶(Base‘(𝐹 “s 𝑊)))) |
| 27 | 24, 26 | mpbid 235 | . . 3 ⊢ (𝜑 → 𝐹:𝐵⟶(Base‘(𝐹 “s 𝑊))) |
| 28 | 9, 10, 1, 3, 12, 4, 22 | imasaddval 17684 | . . . . 5 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵) → ((𝐹‘𝑥)(+g‘(𝐹 “s 𝑊))(𝐹‘𝑦)) = (𝐹‘(𝑥 + 𝑦))) |
| 29 | 28 | 3expb 1138 | . . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → ((𝐹‘𝑥)(+g‘(𝐹 “s 𝑊))(𝐹‘𝑦)) = (𝐹‘(𝑥 + 𝑦))) |
| 30 | 29 | eqcomd 2767 | . . 3 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝐹‘(𝑥 + 𝑦)) = ((𝐹‘𝑥)(+g‘(𝐹 “s 𝑊))(𝐹‘𝑦))) |
| 31 | 2, 6, 15, 5, 16, 12, 14, 17, 20, 21, 4, 22, 27, 30 | isrhmd 20702 | . 2 ⊢ (𝜑 → 𝐹 ∈ (𝑊 RingHom (𝐹 “s 𝑊))) |
| 32 | 14, 31 | jca 521 | 1 ⊢ (𝜑 → ((𝐹 “s 𝑊) ∈ Ring ∧ 𝐹 ∈ (𝑊 RingHom (𝐹 “s 𝑊)))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∧ w3a 1103 = wceq 1570 ∈ wcel 2145 “ cima 5654 ⟶wf 6527 –onto→wfo 6529 ‘cfv 6531 (class class class)co 7412 Basecbs 17367 +gcplusg 17408 .rcmulr 17409 “s cimas 17656 1rcur 20387 Ringcrg 20439 RingHom crh 20679 |
| 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-rep 5232 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7740 ax-cnex 11237 ax-resscn 11238 ax-1cn 11239 ax-icn 11240 ax-addcl 11241 ax-addrcl 11242 ax-mulcl 11243 ax-mulrcl 11244 ax-mulcom 11245 ax-addass 11246 ax-mulass 11247 ax-distr 11248 ax-i2m1 11249 ax-1ne0 11250 ax-1rid 11251 ax-rnegex 11252 ax-rrecex 11253 ax-cnre 11254 ax-pre-lttri 11255 ax-pre-lttrn 11256 ax-pre-ltadd 11257 ax-pre-mulgt0 11258 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 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-nel 3063 df-ral 3078 df-rex 3088 df-rmo 3366 df-reu 3367 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6297 df-ord 6358 df-on 6359 df-lim 6360 df-suc 6361 df-iota 6487 df-fun 6533 df-fn 6534 df-f 6535 df-f1 6536 df-fo 6537 df-f1o 6538 df-fv 6539 df-riota 7369 df-ov 7415 df-oprab 7416 df-mpo 7417 df-om 7867 df-1st 7990 df-2nd 7991 df-frecs 8283 df-wrecs 8314 df-recs 8363 df-rdg 8402 df-1o 8460 df-er 8701 df-map 8833 df-en 8958 df-dom 8959 df-sdom 8960 df-fin 8961 df-sup 9418 df-inf 9419 df-pnf 11326 df-mnf 11327 df-xr 11328 df-ltxr 11329 df-le 11330 df-sub 11524 df-neg 11525 df-nn 12317 df-2 12386 df-3 12387 df-4 12388 df-5 12389 df-6 12390 df-7 12391 df-8 12392 df-9 12393 df-n0 12588 df-z 12675 df-dec 12796 df-uz 12947 df-fz 13621 df-struct 17305 df-sets 17322 df-slot 17340 df-ndx 17352 df-base 17368 df-plusg 17421 df-mulr 17422 df-sca 17424 df-vsca 17425 df-ip 17426 df-tset 17427 df-ple 17428 df-ds 17430 df-0g 17592 df-imas 17660 df-mgm 18796 df-sgrp 18888 df-mnd 18904 df-mhm 18958 df-grp 19127 df-minusg 19128 df-ghm 19408 df-mgp 20341 df-ur 20388 df-ring 20441 df-rhm 20682 |
| This theorem is used by: (None) |
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