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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 2737 | . 2 ⊢ (Iso‘𝐶) = (Iso‘𝐶) | |
2 | eqid 2737 | . 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 2737 | . . 3 ⊢ (Id‘𝐶) = (Id‘𝐶) | |
6 | 2, 5, 3, 4 | idiso 17845 | . 2 ⊢ ((𝐶 ∈ Cat ∧ 𝑂 ∈ (Base‘𝐶)) → ((Id‘𝐶)‘𝑂) ∈ (𝑂(Iso‘𝐶)𝑂)) |
7 | 1, 2, 3, 4, 4, 6 | brcici 17857 | 1 ⊢ ((𝐶 ∈ Cat ∧ 𝑂 ∈ (Base‘𝐶)) → 𝑂( ≃𝑐 ‘𝐶)𝑂) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 395 ∈ wcel 2108 class class class wbr 5151 ‘cfv 6569 Basecbs 17254 Catccat 17718 Idccid 17719 Isociso 17803 ≃𝑐 ccic 17852 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1794 ax-4 1808 ax-5 1910 ax-6 1967 ax-7 2007 ax-8 2110 ax-9 2118 ax-10 2141 ax-11 2157 ax-12 2177 ax-ext 2708 ax-rep 5288 ax-sep 5305 ax-nul 5315 ax-pow 5374 ax-pr 5441 ax-un 7761 |
This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1542 df-fal 1552 df-ex 1779 df-nf 1783 df-sb 2065 df-mo 2540 df-eu 2569 df-clab 2715 df-cleq 2729 df-clel 2816 df-nfc 2892 df-ne 2941 df-ral 3062 df-rex 3071 df-rmo 3380 df-reu 3381 df-rab 3437 df-v 3483 df-sbc 3795 df-csb 3912 df-dif 3969 df-un 3971 df-in 3973 df-ss 3983 df-nul 4343 df-if 4535 df-pw 4610 df-sn 4635 df-pr 4637 df-op 4641 df-uni 4916 df-iun 5001 df-br 5152 df-opab 5214 df-mpt 5235 df-id 5587 df-xp 5699 df-rel 5700 df-cnv 5701 df-co 5702 df-dm 5703 df-rn 5704 df-res 5705 df-ima 5706 df-iota 6522 df-fun 6571 df-fn 6572 df-f 6573 df-f1 6574 df-fo 6575 df-f1o 6576 df-fv 6577 df-riota 7395 df-ov 7441 df-oprab 7442 df-mpo 7443 df-1st 8022 df-2nd 8023 df-supp 8194 df-cat 17722 df-cid 17723 df-sect 17804 df-inv 17805 df-iso 17806 df-cic 17853 |
This theorem is referenced by: cicer 17863 |
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