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Theorem cicfn 50359
Description: ≃𝑐 is a function on Cat. (Contributed by Zhi Wang, 26-Oct-2025.)
Assertion
Ref Expression
cicfn ≃𝑐 Fn Cat

Proof of Theorem cicfn
StepHypRef Expression
1 ovex 7473 . 2 ((Iso‘𝑐) supp ∅) ∈ V
2 df-cic 17997 . 2 ≃𝑐 = (𝑐 ∈ Cat ↦ ((Iso‘𝑐) supp ∅))
31, 2fnmpti 6701 1 ≃𝑐 Fn Cat
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  ∅c0 4281   Fn wfn 6550  ‘cfv 6555  (class class class)co 7440   supp csupp 8201  Catccat 17864  Isociso 17947   ≃𝑐 ccic 17996
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 1945  ax-6 2002  ax-7 2043  ax-8 2149  ax-9 2157  ax-10 2180  ax-11 2197  ax-12 2216  ax-ext 2735  ax-sep 5252  ax-nul 5263  ax-pr 5395
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 2102  df-mo 2567  df-eu 2597  df-clab 2742  df-cleq 2755  df-clel 2839  df-nfc 2913  df-ne 2960  df-ral 3081  df-rex 3091  df-rab 3417  df-v 3456  df-ss 3901  df-dif 4050  df-in 4094  df-un 4154  df-nul 4282  df-if 4486  df-sn 4589  df-pr 4591  df-op 4839  df-uni 4871  df-br 5107  df-opab 5171  df-mpt 5190  df-id 5550  df-xp 5661  df-rel 5662  df-cnv 5663  df-co 5664  df-dm 5665  df-iota 6509  df-fun 6557  df-fn 6558  df-fv 6563  df-ov 7443  df-cic 17997
This theorem is used by:  cicrcl2  50360  cic1st2nd  50364
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