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| Mirrors > Home > MPE Home > Th. List > rngciso | Structured version Visualization version GIF version | ||
| Description: An isomorphism in the category of non-unital rings is a bijection. (Contributed by AV, 28-Feb-2020.) |
| Ref | Expression |
|---|---|
| rngcsect.c | ⊢ 𝐶 = (RngCat‘𝑈) |
| rngcsect.b | ⊢ 𝐵 = (Base‘𝐶) |
| rngcsect.u | ⊢ (𝜑 → 𝑈 ∈ 𝑉) |
| rngcsect.x | ⊢ (𝜑 → 𝑋 ∈ 𝐵) |
| rngcsect.y | ⊢ (𝜑 → 𝑌 ∈ 𝐵) |
| rngciso.n | ⊢ 𝐼 = (Iso‘𝐶) |
| Ref | Expression |
|---|---|
| rngciso | ⊢ (𝜑 → (𝐹 ∈ (𝑋𝐼𝑌) ↔ 𝐹 ∈ (𝑋 RngIso 𝑌))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rngcsect.b | . . . 4 ⊢ 𝐵 = (Base‘𝐶) | |
| 2 | eqid 2737 | . . . 4 ⊢ (Inv‘𝐶) = (Inv‘𝐶) | |
| 3 | rngcsect.u | . . . . 5 ⊢ (𝜑 → 𝑈 ∈ 𝑉) | |
| 4 | rngcsect.c | . . . . . 6 ⊢ 𝐶 = (RngCat‘𝑈) | |
| 5 | 4 | rngccat 20579 | . . . . 5 ⊢ (𝑈 ∈ 𝑉 → 𝐶 ∈ Cat) |
| 6 | 3, 5 | syl 17 | . . . 4 ⊢ (𝜑 → 𝐶 ∈ Cat) |
| 7 | rngcsect.x | . . . 4 ⊢ (𝜑 → 𝑋 ∈ 𝐵) | |
| 8 | rngcsect.y | . . . 4 ⊢ (𝜑 → 𝑌 ∈ 𝐵) | |
| 9 | rngciso.n | . . . 4 ⊢ 𝐼 = (Iso‘𝐶) | |
| 10 | 1, 2, 6, 7, 8, 9 | isoval 17701 | . . 3 ⊢ (𝜑 → (𝑋𝐼𝑌) = dom (𝑋(Inv‘𝐶)𝑌)) |
| 11 | 10 | eleq2d 2823 | . 2 ⊢ (𝜑 → (𝐹 ∈ (𝑋𝐼𝑌) ↔ 𝐹 ∈ dom (𝑋(Inv‘𝐶)𝑌))) |
| 12 | 1, 2, 6, 7, 8 | invfun 17700 | . . . . 5 ⊢ (𝜑 → Fun (𝑋(Inv‘𝐶)𝑌)) |
| 13 | funfvbrb 7005 | . . . . 5 ⊢ (Fun (𝑋(Inv‘𝐶)𝑌) → (𝐹 ∈ dom (𝑋(Inv‘𝐶)𝑌) ↔ 𝐹(𝑋(Inv‘𝐶)𝑌)((𝑋(Inv‘𝐶)𝑌)‘𝐹))) | |
| 14 | 12, 13 | syl 17 | . . . 4 ⊢ (𝜑 → (𝐹 ∈ dom (𝑋(Inv‘𝐶)𝑌) ↔ 𝐹(𝑋(Inv‘𝐶)𝑌)((𝑋(Inv‘𝐶)𝑌)‘𝐹))) |
| 15 | 4, 1, 3, 7, 8, 2 | rngcinv 20582 | . . . . 5 ⊢ (𝜑 → (𝐹(𝑋(Inv‘𝐶)𝑌)((𝑋(Inv‘𝐶)𝑌)‘𝐹) ↔ (𝐹 ∈ (𝑋 RngIso 𝑌) ∧ ((𝑋(Inv‘𝐶)𝑌)‘𝐹) = ◡𝐹))) |
| 16 | simpl 482 | . . . . 5 ⊢ ((𝐹 ∈ (𝑋 RngIso 𝑌) ∧ ((𝑋(Inv‘𝐶)𝑌)‘𝐹) = ◡𝐹) → 𝐹 ∈ (𝑋 RngIso 𝑌)) | |
| 17 | 15, 16 | biimtrdi 253 | . . . 4 ⊢ (𝜑 → (𝐹(𝑋(Inv‘𝐶)𝑌)((𝑋(Inv‘𝐶)𝑌)‘𝐹) → 𝐹 ∈ (𝑋 RngIso 𝑌))) |
| 18 | 14, 17 | sylbid 240 | . . 3 ⊢ (𝜑 → (𝐹 ∈ dom (𝑋(Inv‘𝐶)𝑌) → 𝐹 ∈ (𝑋 RngIso 𝑌))) |
| 19 | eqid 2737 | . . . 4 ⊢ ◡𝐹 = ◡𝐹 | |
| 20 | 4, 1, 3, 7, 8, 2 | rngcinv 20582 | . . . . 5 ⊢ (𝜑 → (𝐹(𝑋(Inv‘𝐶)𝑌)◡𝐹 ↔ (𝐹 ∈ (𝑋 RngIso 𝑌) ∧ ◡𝐹 = ◡𝐹))) |
| 21 | funrel 6517 | . . . . . . 7 ⊢ (Fun (𝑋(Inv‘𝐶)𝑌) → Rel (𝑋(Inv‘𝐶)𝑌)) | |
| 22 | 12, 21 | syl 17 | . . . . . 6 ⊢ (𝜑 → Rel (𝑋(Inv‘𝐶)𝑌)) |
| 23 | releldm 5901 | . . . . . . 7 ⊢ ((Rel (𝑋(Inv‘𝐶)𝑌) ∧ 𝐹(𝑋(Inv‘𝐶)𝑌)◡𝐹) → 𝐹 ∈ dom (𝑋(Inv‘𝐶)𝑌)) | |
| 24 | 23 | ex 412 | . . . . . 6 ⊢ (Rel (𝑋(Inv‘𝐶)𝑌) → (𝐹(𝑋(Inv‘𝐶)𝑌)◡𝐹 → 𝐹 ∈ dom (𝑋(Inv‘𝐶)𝑌))) |
| 25 | 22, 24 | syl 17 | . . . . 5 ⊢ (𝜑 → (𝐹(𝑋(Inv‘𝐶)𝑌)◡𝐹 → 𝐹 ∈ dom (𝑋(Inv‘𝐶)𝑌))) |
| 26 | 20, 25 | sylbird 260 | . . . 4 ⊢ (𝜑 → ((𝐹 ∈ (𝑋 RngIso 𝑌) ∧ ◡𝐹 = ◡𝐹) → 𝐹 ∈ dom (𝑋(Inv‘𝐶)𝑌))) |
| 27 | 19, 26 | mpan2i 698 | . . 3 ⊢ (𝜑 → (𝐹 ∈ (𝑋 RngIso 𝑌) → 𝐹 ∈ dom (𝑋(Inv‘𝐶)𝑌))) |
| 28 | 18, 27 | impbid 212 | . 2 ⊢ (𝜑 → (𝐹 ∈ dom (𝑋(Inv‘𝐶)𝑌) ↔ 𝐹 ∈ (𝑋 RngIso 𝑌))) |
| 29 | 11, 28 | bitrd 279 | 1 ⊢ (𝜑 → (𝐹 ∈ (𝑋𝐼𝑌) ↔ 𝐹 ∈ (𝑋 RngIso 𝑌))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 ∧ wa 395 = wceq 1542 ∈ wcel 2114 class class class wbr 5100 ◡ccnv 5631 dom cdm 5632 Rel wrel 5637 Fun wfun 6494 ‘cfv 6500 (class class class)co 7368 Basecbs 17148 Catccat 17599 Invcinv 17681 Isociso 17682 RngIso crngim 20383 RngCatcrngc 20561 |
| 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 5226 ax-sep 5243 ax-nul 5253 ax-pow 5312 ax-pr 5379 ax-un 7690 ax-cnex 11094 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-mulcom 11102 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 ax-pre-mulgt0 11115 |
| 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 3352 df-reu 3353 df-rab 3402 df-v 3444 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-pss 3923 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-tp 4587 df-op 4589 df-uni 4866 df-iun 4950 df-br 5101 df-opab 5163 df-mpt 5182 df-tr 5208 df-id 5527 df-eprel 5532 df-po 5540 df-so 5541 df-fr 5585 df-we 5587 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-rn 5643 df-res 5644 df-ima 5645 df-pred 6267 df-ord 6328 df-on 6329 df-lim 6330 df-suc 6331 df-iota 6456 df-fun 6502 df-fn 6503 df-f 6504 df-f1 6505 df-fo 6506 df-f1o 6507 df-fv 6508 df-riota 7325 df-ov 7371 df-oprab 7372 df-mpo 7373 df-om 7819 df-1st 7943 df-2nd 7944 df-frecs 8233 df-wrecs 8264 df-recs 8313 df-rdg 8351 df-1o 8407 df-er 8645 df-map 8777 df-pm 8778 df-ixp 8848 df-en 8896 df-dom 8897 df-sdom 8898 df-fin 8899 df-pnf 11180 df-mnf 11181 df-xr 11182 df-ltxr 11183 df-le 11184 df-sub 11378 df-neg 11379 df-nn 12158 df-2 12220 df-3 12221 df-4 12222 df-5 12223 df-6 12224 df-7 12225 df-8 12226 df-9 12227 df-n0 12414 df-z 12501 df-dec 12620 df-uz 12764 df-fz 13436 df-struct 17086 df-sets 17103 df-slot 17121 df-ndx 17133 df-base 17149 df-ress 17170 df-plusg 17202 df-hom 17213 df-cco 17214 df-0g 17373 df-cat 17603 df-cid 17604 df-homf 17605 df-sect 17683 df-inv 17684 df-iso 17685 df-ssc 17746 df-resc 17747 df-subc 17748 df-estrc 18058 df-mgm 18577 df-mgmhm 18629 df-sgrp 18656 df-mnd 18672 df-mhm 18720 df-grp 18878 df-ghm 19154 df-abl 19724 df-mgp 20088 df-rng 20100 df-rnghm 20384 df-rngim 20385 df-rngc 20562 |
| This theorem is referenced by: (None) |
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