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Theorem prstcnidlem 50250
Description: Lemma for prstcnid 50251 and prstchomval 50257. (Contributed by Zhi Wang, 20-Sep-2024.) (New usage is discouraged.)
Hypotheses
Ref Expression
prstcnid.c (𝜑𝐶 = (ProsetToCat‘𝐾))
prstcnid.k (𝜑𝐾 ∈ Proset )
prstcnid.e 𝐸 = Slot (𝐸‘ndx)
prstcnid.no (𝐸‘ndx) ≠ (comp‘ndx)
Assertion
Ref Expression
prstcnidlem (𝜑 → (𝐸𝐶) = (𝐸‘(𝐾 sSet ⟨(Hom ‘ndx), ((le‘𝐾) × {1o})⟩)))

Proof of Theorem prstcnidlem
StepHypRef Expression
1 prstcnid.c . . . 4 (𝜑𝐶 = (ProsetToCat‘𝐾))
2 prstcnid.k . . . 4 (𝜑𝐾 ∈ Proset )
31, 2prstcval 50249 . . 3 (𝜑𝐶 = ((𝐾 sSet ⟨(Hom ‘ndx), ((le‘𝐾) × {1o})⟩) sSet ⟨(comp‘ndx), ∅⟩))
43fveq2d 6886 . 2 (𝜑 → (𝐸𝐶) = (𝐸‘((𝐾 sSet ⟨(Hom ‘ndx), ((le‘𝐾) × {1o})⟩) sSet ⟨(comp‘ndx), ∅⟩)))
5 prstcnid.e . . 3 𝐸 = Slot (𝐸‘ndx)
6 prstcnid.no . . 3 (𝐸‘ndx) ≠ (comp‘ndx)
75, 6setsnid 17268 . 2 (𝐸‘(𝐾 sSet ⟨(Hom ‘ndx), ((le‘𝐾) × {1o})⟩)) = (𝐸‘((𝐾 sSet ⟨(Hom ‘ndx), ((le‘𝐾) × {1o})⟩) sSet ⟨(comp‘ndx), ∅⟩))
84, 7eqtr4di 2822 1 (𝜑 → (𝐸𝐶) = (𝐸‘(𝐾 sSet ⟨(Hom ‘ndx), ((le‘𝐾) × {1o})⟩)))
Colors of variables: wff setvar class
Syntax hints:  wi 4   = wceq 1567  wcel 2149  wne 2964  c0 4292  {csn 4592  cop 4598   × cxp 5660  cfv 6537  (class class class)co 7411  1oc1o 8446   sSet csts 17223  Slot cslot 17241  ndxcnx 17253  lecple 17317  Hom chom 17321  compcco 17322   Proset cproset 18348  ProsetToCatcprstc 50247
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1822  ax-4 1836  ax-5 1937  ax-6 1994  ax-7 2035  ax-8 2151  ax-9 2159  ax-10 2182  ax-11 2198  ax-12 2219  ax-ext 2741  ax-sep 5259  ax-nul 5271  ax-pr 5405  ax-un 7733
This theorem depends on definitions:  df-bi 210  df-an 401  df-or 861  df-3an 1103  df-tru 1570  df-fal 1580  df-ex 1807  df-nf 1811  df-sb 2098  df-mo 2573  df-eu 2603  df-clab 2748  df-cleq 2761  df-clel 2844  df-nfc 2918  df-ne 2965  df-ral 3086  df-rex 3096  df-rab 3423  df-v 3463  df-sbc 3752  df-dif 3914  df-un 3916  df-in 3918  df-ss 3928  df-nul 4293  df-if 4491  df-sn 4593  df-pr 4595  df-op 4599  df-uni 4875  df-br 5112  df-opab 5176  df-mpt 5195  df-id 5557  df-xp 5668  df-rel 5669  df-cnv 5670  df-co 5671  df-dm 5672  df-res 5674  df-iota 6493  df-fun 6539  df-fv 6545  df-ov 7414  df-oprab 7415  df-mpo 7416  df-sets 17224  df-slot 17242  df-prstc 50248
This theorem is referenced by:  prstcnid  50251  prstchomval  50257
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