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| Mirrors > Home > ILE Home > Th. List > isrhmd | GIF version | ||
| Description: Demonstration of ring homomorphism. (Contributed by Stefan O'Rear, 8-Mar-2015.) |
| Ref | Expression |
|---|---|
| isrhmd.b | ⊢ 𝐵 = (Base‘𝑅) |
| isrhmd.o | ⊢ 1 = (1r‘𝑅) |
| isrhmd.n | ⊢ 𝑁 = (1r‘𝑆) |
| isrhmd.t | ⊢ · = (.r‘𝑅) |
| isrhmd.u | ⊢ × = (.r‘𝑆) |
| isrhmd.r | ⊢ (𝜑 → 𝑅 ∈ Ring) |
| isrhmd.s | ⊢ (𝜑 → 𝑆 ∈ Ring) |
| isrhmd.ho | ⊢ (𝜑 → (𝐹‘ 1 ) = 𝑁) |
| isrhmd.ht | ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝐹‘(𝑥 · 𝑦)) = ((𝐹‘𝑥) × (𝐹‘𝑦))) |
| isrhmd.c | ⊢ 𝐶 = (Base‘𝑆) |
| isrhmd.p | ⊢ + = (+g‘𝑅) |
| isrhmd.q | ⊢ ⨣ = (+g‘𝑆) |
| isrhmd.f | ⊢ (𝜑 → 𝐹:𝐵⟶𝐶) |
| isrhmd.hp | ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝐹‘(𝑥 + 𝑦)) = ((𝐹‘𝑥) ⨣ (𝐹‘𝑦))) |
| Ref | Expression |
|---|---|
| isrhmd | ⊢ (𝜑 → 𝐹 ∈ (𝑅 RingHom 𝑆)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | isrhmd.b | . 2 ⊢ 𝐵 = (Base‘𝑅) | |
| 2 | isrhmd.o | . 2 ⊢ 1 = (1r‘𝑅) | |
| 3 | isrhmd.n | . 2 ⊢ 𝑁 = (1r‘𝑆) | |
| 4 | isrhmd.t | . 2 ⊢ · = (.r‘𝑅) | |
| 5 | isrhmd.u | . 2 ⊢ × = (.r‘𝑆) | |
| 6 | isrhmd.r | . 2 ⊢ (𝜑 → 𝑅 ∈ Ring) | |
| 7 | isrhmd.s | . 2 ⊢ (𝜑 → 𝑆 ∈ Ring) | |
| 8 | isrhmd.ho | . 2 ⊢ (𝜑 → (𝐹‘ 1 ) = 𝑁) | |
| 9 | isrhmd.ht | . 2 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝐹‘(𝑥 · 𝑦)) = ((𝐹‘𝑥) × (𝐹‘𝑦))) | |
| 10 | isrhmd.c | . . 3 ⊢ 𝐶 = (Base‘𝑆) | |
| 11 | isrhmd.p | . . 3 ⊢ + = (+g‘𝑅) | |
| 12 | isrhmd.q | . . 3 ⊢ ⨣ = (+g‘𝑆) | |
| 13 | ringgrp 14288 | . . . 4 ⊢ (𝑅 ∈ Ring → 𝑅 ∈ Grp) | |
| 14 | 6, 13 | syl 14 | . . 3 ⊢ (𝜑 → 𝑅 ∈ Grp) |
| 15 | ringgrp 14288 | . . . 4 ⊢ (𝑆 ∈ Ring → 𝑆 ∈ Grp) | |
| 16 | 7, 15 | syl 14 | . . 3 ⊢ (𝜑 → 𝑆 ∈ Grp) |
| 17 | isrhmd.f | . . 3 ⊢ (𝜑 → 𝐹:𝐵⟶𝐶) | |
| 18 | isrhmd.hp | . . 3 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝐹‘(𝑥 + 𝑦)) = ((𝐹‘𝑥) ⨣ (𝐹‘𝑦))) | |
| 19 | 1, 10, 11, 12, 14, 16, 17, 18 | isghmd 14038 | . 2 ⊢ (𝜑 → 𝐹 ∈ (𝑅 GrpHom 𝑆)) |
| 20 | 1, 2, 3, 4, 5, 6, 7, 8, 9, 19 | isrhm2d 14455 | 1 ⊢ (𝜑 → 𝐹 ∈ (𝑅 RingHom 𝑆)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 = wceq 1402 ∈ wcel 2209 ⟶wf 5371 ‘cfv 5375 (class class class)co 6079 Basecbs 13335 +gcplusg 13414 .rcmulr 13415 Grpcgrp 13788 1rcur 14245 Ringcrg 14283 RingHom crh 14440 |
| 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 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-coll 4244 ax-sep 4247 ax-pow 4309 ax-pr 4344 ax-un 4576 ax-setind 4682 ax-cnex 8264 ax-resscn 8265 ax-1cn 8266 ax-1re 8267 ax-icn 8268 ax-addcl 8269 ax-addrcl 8270 ax-mulcl 8271 ax-addcom 8273 ax-addass 8275 ax-i2m1 8278 ax-0lt1 8279 ax-0id 8281 ax-rnegex 8282 ax-pre-ltirr 8285 ax-pre-ltadd 8289 |
| This theorem depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-reu 2535 df-rmo 2536 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-nul 3521 df-pw 3690 df-sn 3714 df-pr 3715 df-op 3717 df-uni 3934 df-int 3969 df-iun 4012 df-br 4129 df-opab 4191 df-mpt 4192 df-id 4436 df-xp 4778 df-rel 4779 df-cnv 4780 df-co 4781 df-dm 4782 df-rn 4783 df-res 4784 df-ima 4785 df-iota 5335 df-fun 5377 df-fn 5378 df-f 5379 df-f1 5380 df-fo 5381 df-f1o 5382 df-fv 5383 df-riota 6032 df-ov 6082 df-oprab 6083 df-mpo 6084 df-1st 6368 df-2nd 6369 df-map 6918 df-pnf 8356 df-mnf 8357 df-ltxr 8359 df-inn 9288 df-2 9346 df-3 9347 df-ndx 13338 df-slot 13339 df-base 13341 df-sets 13342 df-plusg 13427 df-mulr 13428 df-0g 13595 df-mgm 13659 df-sgrp 13700 df-mnd 13713 df-mhm 13749 df-grp 13791 df-ghm 14027 df-mgp 14201 df-ur 14246 df-ring 14285 df-rhm 14442 |
| This theorem is referenced by: (None) |
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