| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > cicfval | Structured version Visualization version GIF version | ||
| Description: The set of isomorphic objects of the category 𝑐. (Contributed by AV, 4-Apr-2020.) |
| Ref | Expression |
|---|---|
| cicfval | ⊢ (𝐶 ∈ Cat → ( ≃𝑐 ‘𝐶) = ((Iso‘𝐶) supp ∅)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-cic 17871 | . 2 ⊢ ≃𝑐 = (𝑐 ∈ Cat ↦ ((Iso‘𝑐) supp ∅)) | |
| 2 | fveq2 6885 | . . 3 ⊢ (𝑐 = 𝐶 → (Iso‘𝑐) = (Iso‘𝐶)) | |
| 3 | 2 | oveq1d 7431 | . 2 ⊢ (𝑐 = 𝐶 → ((Iso‘𝑐) supp ∅) = ((Iso‘𝐶) supp ∅)) |
| 4 | id 23 | . 2 ⊢ (𝐶 ∈ Cat → 𝐶 ∈ Cat) | |
| 5 | ovexd 7451 | . 2 ⊢ (𝐶 ∈ Cat → ((Iso‘𝐶) supp ∅) ∈ V) | |
| 6 | 1, 3, 4, 5 | fvmptd3 7017 | 1 ⊢ (𝐶 ∈ Cat → ( ≃𝑐 ‘𝐶) = ((Iso‘𝐶) supp ∅)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2146 Vcvv 3457 ∅c0 4286 ‘cfv 6540 (class class class)co 7416 supp csupp 8158 Catccat 17738 Isociso 17821 ≃𝑐 ccic 17870 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-sep 5259 ax-nul 5271 ax-pr 5406 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-ral 3082 df-rex 3092 df-rab 3419 df-v 3459 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4287 df-if 4490 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-br 5112 df-opab 5176 df-mpt 5195 df-id 5558 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-iota 6496 df-fun 6542 df-fv 6548 df-ov 7419 df-cic 17871 |
| This theorem is used by: brcic 17873 ciclcl 17877 cicrcl 17878 cicer 17881 relcic 49856 |
| Copyright terms: Public domain | W3C validator |