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Mirrors > Home > MPE Home > Th. List > rnghmval2 | Structured version Visualization version GIF version |
Description: The non-unital ring homomorphisms between two non-unital rings. (Contributed by AV, 1-Mar-2020.) |
Ref | Expression |
---|---|
rnghmval2 | ⊢ ((𝑅 ∈ Rng ∧ 𝑆 ∈ Rng) → (𝑅 RngHom 𝑆) = ((𝑅 GrpHom 𝑆) ∩ ((mulGrp‘𝑅) MgmHom (mulGrp‘𝑆)))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqid 2725 | . . . 4 ⊢ (mulGrp‘𝑅) = (mulGrp‘𝑅) | |
2 | eqid 2725 | . . . 4 ⊢ (mulGrp‘𝑆) = (mulGrp‘𝑆) | |
3 | 1, 2 | isrnghmmul 20385 | . . 3 ⊢ (ℎ ∈ (𝑅 RngHom 𝑆) ↔ ((𝑅 ∈ Rng ∧ 𝑆 ∈ Rng) ∧ (ℎ ∈ (𝑅 GrpHom 𝑆) ∧ ℎ ∈ ((mulGrp‘𝑅) MgmHom (mulGrp‘𝑆))))) |
4 | elin 3955 | . . . 4 ⊢ (ℎ ∈ ((𝑅 GrpHom 𝑆) ∩ ((mulGrp‘𝑅) MgmHom (mulGrp‘𝑆))) ↔ (ℎ ∈ (𝑅 GrpHom 𝑆) ∧ ℎ ∈ ((mulGrp‘𝑅) MgmHom (mulGrp‘𝑆)))) | |
5 | ibar 527 | . . . 4 ⊢ ((𝑅 ∈ Rng ∧ 𝑆 ∈ Rng) → ((ℎ ∈ (𝑅 GrpHom 𝑆) ∧ ℎ ∈ ((mulGrp‘𝑅) MgmHom (mulGrp‘𝑆))) ↔ ((𝑅 ∈ Rng ∧ 𝑆 ∈ Rng) ∧ (ℎ ∈ (𝑅 GrpHom 𝑆) ∧ ℎ ∈ ((mulGrp‘𝑅) MgmHom (mulGrp‘𝑆)))))) | |
6 | 4, 5 | bitr2id 283 | . . 3 ⊢ ((𝑅 ∈ Rng ∧ 𝑆 ∈ Rng) → (((𝑅 ∈ Rng ∧ 𝑆 ∈ Rng) ∧ (ℎ ∈ (𝑅 GrpHom 𝑆) ∧ ℎ ∈ ((mulGrp‘𝑅) MgmHom (mulGrp‘𝑆)))) ↔ ℎ ∈ ((𝑅 GrpHom 𝑆) ∩ ((mulGrp‘𝑅) MgmHom (mulGrp‘𝑆))))) |
7 | 3, 6 | bitrid 282 | . 2 ⊢ ((𝑅 ∈ Rng ∧ 𝑆 ∈ Rng) → (ℎ ∈ (𝑅 RngHom 𝑆) ↔ ℎ ∈ ((𝑅 GrpHom 𝑆) ∩ ((mulGrp‘𝑅) MgmHom (mulGrp‘𝑆))))) |
8 | 7 | eqrdv 2723 | 1 ⊢ ((𝑅 ∈ Rng ∧ 𝑆 ∈ Rng) → (𝑅 RngHom 𝑆) = ((𝑅 GrpHom 𝑆) ∩ ((mulGrp‘𝑅) MgmHom (mulGrp‘𝑆)))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 394 = wceq 1533 ∈ wcel 2098 ∩ cin 3938 ‘cfv 6543 (class class class)co 7416 MgmHom cmgmhm 18649 GrpHom cghm 19171 mulGrpcmgp 20078 Rngcrng 20096 RngHom crnghm 20377 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1789 ax-4 1803 ax-5 1905 ax-6 1963 ax-7 2003 ax-8 2100 ax-9 2108 ax-10 2129 ax-11 2146 ax-12 2166 ax-ext 2696 ax-rep 5280 ax-sep 5294 ax-nul 5301 ax-pow 5359 ax-pr 5423 ax-un 7738 ax-cnex 11194 ax-resscn 11195 ax-1cn 11196 ax-icn 11197 ax-addcl 11198 ax-addrcl 11199 ax-mulcl 11200 ax-mulrcl 11201 ax-mulcom 11202 ax-addass 11203 ax-mulass 11204 ax-distr 11205 ax-i2m1 11206 ax-1ne0 11207 ax-1rid 11208 ax-rnegex 11209 ax-rrecex 11210 ax-cnre 11211 ax-pre-lttri 11212 ax-pre-lttrn 11213 ax-pre-ltadd 11214 ax-pre-mulgt0 11215 |
This theorem depends on definitions: df-bi 206 df-an 395 df-or 846 df-3or 1085 df-3an 1086 df-tru 1536 df-fal 1546 df-ex 1774 df-nf 1778 df-sb 2060 df-mo 2528 df-eu 2557 df-clab 2703 df-cleq 2717 df-clel 2802 df-nfc 2877 df-ne 2931 df-nel 3037 df-ral 3052 df-rex 3061 df-reu 3365 df-rab 3420 df-v 3465 df-sbc 3769 df-csb 3885 df-dif 3942 df-un 3944 df-in 3946 df-ss 3956 df-pss 3959 df-nul 4319 df-if 4525 df-pw 4600 df-sn 4625 df-pr 4627 df-op 4631 df-uni 4904 df-iun 4993 df-br 5144 df-opab 5206 df-mpt 5227 df-tr 5261 df-id 5570 df-eprel 5576 df-po 5584 df-so 5585 df-fr 5627 df-we 5629 df-xp 5678 df-rel 5679 df-cnv 5680 df-co 5681 df-dm 5682 df-rn 5683 df-res 5684 df-ima 5685 df-pred 6300 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6495 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-riota 7372 df-ov 7419 df-oprab 7420 df-mpo 7421 df-om 7869 df-2nd 7992 df-frecs 8285 df-wrecs 8316 df-recs 8390 df-rdg 8429 df-er 8723 df-map 8845 df-en 8963 df-dom 8964 df-sdom 8965 df-pnf 11280 df-mnf 11281 df-xr 11282 df-ltxr 11283 df-le 11284 df-sub 11476 df-neg 11477 df-nn 12243 df-2 12305 df-sets 17132 df-slot 17150 df-ndx 17162 df-base 17180 df-plusg 17245 df-mgmhm 18651 df-sgrp 18678 df-ghm 19172 df-abl 19742 df-mgp 20079 df-rng 20097 df-rnghm 20379 |
This theorem is referenced by: (None) |
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