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Mirrors > Home > MPE Home > Th. List > brric2 | Structured version Visualization version GIF version |
Description: The relation "is isomorphic to" for (unital) rings. This theorem corresponds to Definition df-risc 35883 of the ring isomorphism relation in JM's mathbox. (Contributed by AV, 24-Dec-2019.) |
Ref | Expression |
---|---|
brric2 | ⊢ (𝑅 ≃𝑟 𝑆 ↔ ((𝑅 ∈ Ring ∧ 𝑆 ∈ Ring) ∧ ∃𝑓 𝑓 ∈ (𝑅 RingIso 𝑆))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | brric 19769 | . 2 ⊢ (𝑅 ≃𝑟 𝑆 ↔ (𝑅 RingIso 𝑆) ≠ ∅) | |
2 | n0 4266 | . 2 ⊢ ((𝑅 RingIso 𝑆) ≠ ∅ ↔ ∃𝑓 𝑓 ∈ (𝑅 RingIso 𝑆)) | |
3 | rimrcl 19749 | . . . . 5 ⊢ (𝑓 ∈ (𝑅 RingIso 𝑆) → (𝑅 ∈ V ∧ 𝑆 ∈ V)) | |
4 | isrim0 19748 | . . . . . 6 ⊢ ((𝑅 ∈ V ∧ 𝑆 ∈ V) → (𝑓 ∈ (𝑅 RingIso 𝑆) ↔ (𝑓 ∈ (𝑅 RingHom 𝑆) ∧ ◡𝑓 ∈ (𝑆 RingHom 𝑅)))) | |
5 | eqid 2737 | . . . . . . . . 9 ⊢ (mulGrp‘𝑅) = (mulGrp‘𝑅) | |
6 | eqid 2737 | . . . . . . . . 9 ⊢ (mulGrp‘𝑆) = (mulGrp‘𝑆) | |
7 | 5, 6 | isrhm 19746 | . . . . . . . 8 ⊢ (𝑓 ∈ (𝑅 RingHom 𝑆) ↔ ((𝑅 ∈ Ring ∧ 𝑆 ∈ Ring) ∧ (𝑓 ∈ (𝑅 GrpHom 𝑆) ∧ 𝑓 ∈ ((mulGrp‘𝑅) MndHom (mulGrp‘𝑆))))) |
8 | 7 | simplbi 501 | . . . . . . 7 ⊢ (𝑓 ∈ (𝑅 RingHom 𝑆) → (𝑅 ∈ Ring ∧ 𝑆 ∈ Ring)) |
9 | 8 | adantr 484 | . . . . . 6 ⊢ ((𝑓 ∈ (𝑅 RingHom 𝑆) ∧ ◡𝑓 ∈ (𝑆 RingHom 𝑅)) → (𝑅 ∈ Ring ∧ 𝑆 ∈ Ring)) |
10 | 4, 9 | syl6bi 256 | . . . . 5 ⊢ ((𝑅 ∈ V ∧ 𝑆 ∈ V) → (𝑓 ∈ (𝑅 RingIso 𝑆) → (𝑅 ∈ Ring ∧ 𝑆 ∈ Ring))) |
11 | 3, 10 | mpcom 38 | . . . 4 ⊢ (𝑓 ∈ (𝑅 RingIso 𝑆) → (𝑅 ∈ Ring ∧ 𝑆 ∈ Ring)) |
12 | 11 | exlimiv 1938 | . . 3 ⊢ (∃𝑓 𝑓 ∈ (𝑅 RingIso 𝑆) → (𝑅 ∈ Ring ∧ 𝑆 ∈ Ring)) |
13 | 12 | pm4.71ri 564 | . 2 ⊢ (∃𝑓 𝑓 ∈ (𝑅 RingIso 𝑆) ↔ ((𝑅 ∈ Ring ∧ 𝑆 ∈ Ring) ∧ ∃𝑓 𝑓 ∈ (𝑅 RingIso 𝑆))) |
14 | 1, 2, 13 | 3bitri 300 | 1 ⊢ (𝑅 ≃𝑟 𝑆 ↔ ((𝑅 ∈ Ring ∧ 𝑆 ∈ Ring) ∧ ∃𝑓 𝑓 ∈ (𝑅 RingIso 𝑆))) |
Colors of variables: wff setvar class |
Syntax hints: ↔ wb 209 ∧ wa 399 ∃wex 1787 ∈ wcel 2110 ≠ wne 2940 Vcvv 3413 ∅c0 4242 class class class wbr 5058 ◡ccnv 5555 ‘cfv 6385 (class class class)co 7218 MndHom cmhm 18221 GrpHom cghm 18624 mulGrpcmgp 19509 Ringcrg 19567 RingHom crh 19737 RingIso crs 19738 ≃𝑟 cric 19739 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1976 ax-7 2016 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2158 ax-12 2175 ax-ext 2708 ax-rep 5184 ax-sep 5197 ax-nul 5204 ax-pow 5263 ax-pr 5327 ax-un 7528 ax-cnex 10790 ax-resscn 10791 ax-1cn 10792 ax-icn 10793 ax-addcl 10794 ax-addrcl 10795 ax-mulcl 10796 ax-mulrcl 10797 ax-mulcom 10798 ax-addass 10799 ax-mulass 10800 ax-distr 10801 ax-i2m1 10802 ax-1ne0 10803 ax-1rid 10804 ax-rnegex 10805 ax-rrecex 10806 ax-cnre 10807 ax-pre-lttri 10808 ax-pre-lttrn 10809 ax-pre-ltadd 10810 ax-pre-mulgt0 10811 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 848 df-3or 1090 df-3an 1091 df-tru 1546 df-fal 1556 df-ex 1788 df-nf 1792 df-sb 2071 df-mo 2539 df-eu 2568 df-clab 2715 df-cleq 2729 df-clel 2816 df-nfc 2886 df-ne 2941 df-nel 3047 df-ral 3066 df-rex 3067 df-reu 3068 df-rab 3070 df-v 3415 df-sbc 3700 df-csb 3817 df-dif 3874 df-un 3876 df-in 3878 df-ss 3888 df-pss 3890 df-nul 4243 df-if 4445 df-pw 4520 df-sn 4547 df-pr 4549 df-tp 4551 df-op 4553 df-uni 4825 df-iun 4911 df-br 5059 df-opab 5121 df-mpt 5141 df-tr 5167 df-id 5460 df-eprel 5465 df-po 5473 df-so 5474 df-fr 5514 df-we 5516 df-xp 5562 df-rel 5563 df-cnv 5564 df-co 5565 df-dm 5566 df-rn 5567 df-res 5568 df-ima 5569 df-pred 6165 df-ord 6221 df-on 6222 df-lim 6223 df-suc 6224 df-iota 6343 df-fun 6387 df-fn 6388 df-f 6389 df-f1 6390 df-fo 6391 df-f1o 6392 df-fv 6393 df-riota 7175 df-ov 7221 df-oprab 7222 df-mpo 7223 df-om 7650 df-1st 7766 df-2nd 7767 df-wrecs 8052 df-recs 8113 df-rdg 8151 df-1o 8207 df-er 8396 df-map 8515 df-en 8632 df-dom 8633 df-sdom 8634 df-pnf 10874 df-mnf 10875 df-xr 10876 df-ltxr 10877 df-le 10878 df-sub 11069 df-neg 11070 df-nn 11836 df-2 11898 df-sets 16722 df-slot 16740 df-ndx 16750 df-base 16766 df-plusg 16820 df-0g 16951 df-mhm 18223 df-ghm 18625 df-mgp 19510 df-ur 19522 df-ring 19569 df-rnghom 19740 df-rngiso 19741 df-ric 19743 |
This theorem is referenced by: ricgic 19771 |
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