| Mathbox for Thierry Arnoux |
< Previous
Next >
Nearby theorems |
||
| 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 2738 | . . . 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 2737 | . . . 4 ⊢ (1r‘𝑊) = (1r‘𝑊) | |
| 7 | imasmhm.f | . . . . 5 ⊢ (𝜑 → 𝐹:𝐵⟶𝐶) | |
| 8 | fimadmfo 6753 | . . . . 5 ⊢ (𝐹:𝐵⟶𝐶 → 𝐹:𝐵–onto→(𝐹 “ 𝐵)) | |
| 9 | 7, 8 | syl 17 | . . . 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 20299 | . . 3 ⊢ (𝜑 → ((𝐹 “s 𝑊) ∈ Ring ∧ (𝐹‘(1r‘𝑊)) = (1r‘(𝐹 “s 𝑊)))) |
| 14 | 13 | simpld 494 | . 2 ⊢ (𝜑 → (𝐹 “s 𝑊) ∈ Ring) |
| 15 | eqid 2737 | . . 3 ⊢ (1r‘(𝐹 “s 𝑊)) = (1r‘(𝐹 “s 𝑊)) | |
| 16 | eqid 2737 | . . 3 ⊢ (.r‘(𝐹 “s 𝑊)) = (.r‘(𝐹 “s 𝑊)) | |
| 17 | 13 | simprd 495 | . . 3 ⊢ (𝜑 → (𝐹‘(1r‘𝑊)) = (1r‘(𝐹 “s 𝑊))) |
| 18 | 9, 11, 1, 3, 12, 5, 16 | imasmulval 17488 | . . . . 5 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵) → ((𝐹‘𝑥)(.r‘(𝐹 “s 𝑊))(𝐹‘𝑦)) = (𝐹‘(𝑥 · 𝑦))) |
| 19 | 18 | 3expb 1121 | . . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → ((𝐹‘𝑥)(.r‘(𝐹 “s 𝑊))(𝐹‘𝑦)) = (𝐹‘(𝑥 · 𝑦))) |
| 20 | 19 | eqcomd 2743 | . . 3 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝐹‘(𝑥 · 𝑦)) = ((𝐹‘𝑥)(.r‘(𝐹 “s 𝑊))(𝐹‘𝑦))) |
| 21 | eqid 2737 | . . 3 ⊢ (Base‘(𝐹 “s 𝑊)) = (Base‘(𝐹 “s 𝑊)) | |
| 22 | eqid 2737 | . . 3 ⊢ (+g‘(𝐹 “s 𝑊)) = (+g‘(𝐹 “s 𝑊)) | |
| 23 | fof 6744 | . . . . 5 ⊢ (𝐹:𝐵–onto→(𝐹 “ 𝐵) → 𝐹:𝐵⟶(𝐹 “ 𝐵)) | |
| 24 | 9, 23 | syl 17 | . . . 4 ⊢ (𝜑 → 𝐹:𝐵⟶(𝐹 “ 𝐵)) |
| 25 | 1, 3, 9, 12 | imasbas 17465 | . . . . 5 ⊢ (𝜑 → (𝐹 “ 𝐵) = (Base‘(𝐹 “s 𝑊))) |
| 26 | 25 | feq3d 6645 | . . . 4 ⊢ (𝜑 → (𝐹:𝐵⟶(𝐹 “ 𝐵) ↔ 𝐹:𝐵⟶(Base‘(𝐹 “s 𝑊)))) |
| 27 | 24, 26 | mpbid 232 | . . 3 ⊢ (𝜑 → 𝐹:𝐵⟶(Base‘(𝐹 “s 𝑊))) |
| 28 | 9, 10, 1, 3, 12, 4, 22 | imasaddval 17485 | . . . . 5 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵) → ((𝐹‘𝑥)(+g‘(𝐹 “s 𝑊))(𝐹‘𝑦)) = (𝐹‘(𝑥 + 𝑦))) |
| 29 | 28 | 3expb 1121 | . . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → ((𝐹‘𝑥)(+g‘(𝐹 “s 𝑊))(𝐹‘𝑦)) = (𝐹‘(𝑥 + 𝑦))) |
| 30 | 29 | eqcomd 2743 | . . 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 20456 | . 2 ⊢ (𝜑 → 𝐹 ∈ (𝑊 RingHom (𝐹 “s 𝑊))) |
| 32 | 14, 31 | jca 511 | 1 ⊢ (𝜑 → ((𝐹 “s 𝑊) ∈ Ring ∧ 𝐹 ∈ (𝑊 RingHom (𝐹 “s 𝑊)))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 ∧ w3a 1087 = wceq 1542 ∈ wcel 2114 “ cima 5625 ⟶wf 6486 –onto→wfo 6488 ‘cfv 6490 (class class class)co 7358 Basecbs 17168 +gcplusg 17209 .rcmulr 17210 “s cimas 17457 1rcur 20151 Ringcrg 20203 RingHom crh 20438 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5212 ax-sep 5231 ax-nul 5241 ax-pow 5300 ax-pr 5368 ax-un 7680 ax-cnex 11083 ax-resscn 11084 ax-1cn 11085 ax-icn 11086 ax-addcl 11087 ax-addrcl 11088 ax-mulcl 11089 ax-mulrcl 11090 ax-mulcom 11091 ax-addass 11092 ax-mulass 11093 ax-distr 11094 ax-i2m1 11095 ax-1ne0 11096 ax-1rid 11097 ax-rnegex 11098 ax-rrecex 11099 ax-cnre 11100 ax-pre-lttri 11101 ax-pre-lttrn 11102 ax-pre-ltadd 11103 ax-pre-mulgt0 11104 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-rmo 3343 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-tp 4573 df-op 4575 df-uni 4852 df-iun 4936 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5517 df-eprel 5522 df-po 5530 df-so 5531 df-fr 5575 df-we 5577 df-xp 5628 df-rel 5629 df-cnv 5630 df-co 5631 df-dm 5632 df-rn 5633 df-res 5634 df-ima 5635 df-pred 6257 df-ord 6318 df-on 6319 df-lim 6320 df-suc 6321 df-iota 6446 df-fun 6492 df-fn 6493 df-f 6494 df-f1 6495 df-fo 6496 df-f1o 6497 df-fv 6498 df-riota 7315 df-ov 7361 df-oprab 7362 df-mpo 7363 df-om 7809 df-1st 7933 df-2nd 7934 df-frecs 8222 df-wrecs 8253 df-recs 8302 df-rdg 8340 df-1o 8396 df-er 8634 df-map 8766 df-en 8885 df-dom 8886 df-sdom 8887 df-fin 8888 df-sup 9346 df-inf 9347 df-pnf 11170 df-mnf 11171 df-xr 11172 df-ltxr 11173 df-le 11174 df-sub 11368 df-neg 11369 df-nn 12164 df-2 12233 df-3 12234 df-4 12235 df-5 12236 df-6 12237 df-7 12238 df-8 12239 df-9 12240 df-n0 12427 df-z 12514 df-dec 12634 df-uz 12778 df-fz 13451 df-struct 17106 df-sets 17123 df-slot 17141 df-ndx 17153 df-base 17169 df-plusg 17222 df-mulr 17223 df-sca 17225 df-vsca 17226 df-ip 17227 df-tset 17228 df-ple 17229 df-ds 17231 df-0g 17393 df-imas 17461 df-mgm 18597 df-sgrp 18676 df-mnd 18692 df-mhm 18740 df-grp 18901 df-minusg 18902 df-ghm 19177 df-mgp 20111 df-ur 20152 df-ring 20205 df-rhm 20441 |
| This theorem is referenced by: (None) |
| Copyright terms: Public domain | W3C validator |