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| Mirrors > Home > MPE Home > Th. List > cicref | Structured version Visualization version GIF version | ||
| Description: Isomorphism is reflexive. (Contributed by AV, 5-Apr-2020.) |
| Ref | Expression |
|---|---|
| cicref | ⊢ ((𝐶 ∈ Cat ∧ 𝑂 ∈ (Base‘𝐶)) → 𝑂( ≃𝑐 ‘𝐶)𝑂) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2729 | . 2 ⊢ (Iso‘𝐶) = (Iso‘𝐶) | |
| 2 | eqid 2729 | . 2 ⊢ (Base‘𝐶) = (Base‘𝐶) | |
| 3 | simpl 482 | . 2 ⊢ ((𝐶 ∈ Cat ∧ 𝑂 ∈ (Base‘𝐶)) → 𝐶 ∈ Cat) | |
| 4 | simpr 484 | . 2 ⊢ ((𝐶 ∈ Cat ∧ 𝑂 ∈ (Base‘𝐶)) → 𝑂 ∈ (Base‘𝐶)) | |
| 5 | eqid 2729 | . . 3 ⊢ (Id‘𝐶) = (Id‘𝐶) | |
| 6 | 2, 5, 3, 4 | idiso 17682 | . 2 ⊢ ((𝐶 ∈ Cat ∧ 𝑂 ∈ (Base‘𝐶)) → ((Id‘𝐶)‘𝑂) ∈ (𝑂(Iso‘𝐶)𝑂)) |
| 7 | 1, 2, 3, 4, 4, 6 | brcici 17694 | 1 ⊢ ((𝐶 ∈ Cat ∧ 𝑂 ∈ (Base‘𝐶)) → 𝑂( ≃𝑐 ‘𝐶)𝑂) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 ∈ wcel 2109 class class class wbr 5088 ‘cfv 6476 Basecbs 17107 Catccat 17557 Idccid 17558 Isociso 17640 ≃𝑐 ccic 17689 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2701 ax-rep 5214 ax-sep 5231 ax-nul 5241 ax-pow 5300 ax-pr 5367 ax-un 7662 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2533 df-eu 2562 df-clab 2708 df-cleq 2721 df-clel 2803 df-nfc 2878 df-ne 2926 df-ral 3045 df-rex 3054 df-rmo 3343 df-reu 3344 df-rab 3393 df-v 3435 df-sbc 3739 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4281 df-if 4473 df-pw 4549 df-sn 4574 df-pr 4576 df-op 4580 df-uni 4857 df-iun 4940 df-br 5089 df-opab 5151 df-mpt 5170 df-id 5508 df-xp 5619 df-rel 5620 df-cnv 5621 df-co 5622 df-dm 5623 df-rn 5624 df-res 5625 df-ima 5626 df-iota 6432 df-fun 6478 df-fn 6479 df-f 6480 df-f1 6481 df-fo 6482 df-f1o 6483 df-fv 6484 df-riota 7297 df-ov 7343 df-oprab 7344 df-mpo 7345 df-1st 7915 df-2nd 7916 df-supp 8085 df-cat 17561 df-cid 17562 df-sect 17641 df-inv 17642 df-iso 17643 df-cic 17690 |
| This theorem is referenced by: cicer 17700 cicerALT 49045 |
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