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Theorem cicfn 49401
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 7401 . 2 ((Iso‘𝑐) supp ∅) ∈ V
2 df-cic 17732 . 2 𝑐 = (𝑐 ∈ Cat ↦ ((Iso‘𝑐) supp ∅))
31, 2fnmpti 6643 1 𝑐 Fn Cat
Colors of variables: wff setvar class
Syntax hints:  c0 4287   Fn wfn 6495  cfv 6500  (class class class)co 7368   supp csupp 8112  Catccat 17599  Isociso 17682  𝑐 ccic 17731
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-sep 5243  ax-nul 5253  ax-pr 5379
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  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-ral 3053  df-rex 3063  df-rab 3402  df-v 3444  df-dif 3906  df-un 3908  df-in 3910  df-ss 3920  df-nul 4288  df-if 4482  df-sn 4583  df-pr 4585  df-op 4589  df-uni 4866  df-br 5101  df-opab 5163  df-mpt 5182  df-id 5527  df-xp 5638  df-rel 5639  df-cnv 5640  df-co 5641  df-dm 5642  df-iota 6456  df-fun 6502  df-fn 6503  df-fv 6508  df-ov 7371  df-cic 17732
This theorem is referenced by:  cicrcl2  49402  cic1st2nd  49406
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