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Theorem prstcnidlem 46234
Description: Lemma for prstcnid 46235 and prstchomval 46241. (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 46233 . . 3 (𝜑𝐶 = ((𝐾 sSet ⟨(Hom ‘ndx), ((le‘𝐾) × {1o})⟩) sSet ⟨(comp‘ndx), ∅⟩))
43fveq2d 6760 . 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 16838 . 2 (𝐸‘(𝐾 sSet ⟨(Hom ‘ndx), ((le‘𝐾) × {1o})⟩)) = (𝐸‘((𝐾 sSet ⟨(Hom ‘ndx), ((le‘𝐾) × {1o})⟩) sSet ⟨(comp‘ndx), ∅⟩))
84, 7eqtr4di 2797 1 (𝜑 → (𝐸𝐶) = (𝐸‘(𝐾 sSet ⟨(Hom ‘ndx), ((le‘𝐾) × {1o})⟩)))
Colors of variables: wff setvar class
Syntax hints:  wi 4   = wceq 1539  wcel 2108  wne 2942  c0 4253  {csn 4558  cop 4564   × cxp 5578  cfv 6418  (class class class)co 7255  1oc1o 8260   sSet csts 16792  Slot cslot 16810  ndxcnx 16822  lecple 16895  Hom chom 16899  compcco 16900   Proset cproset 17926  ProsetToCatcprstc 46231
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1799  ax-4 1813  ax-5 1914  ax-6 1972  ax-7 2012  ax-8 2110  ax-9 2118  ax-10 2139  ax-11 2156  ax-12 2173  ax-ext 2709  ax-sep 5218  ax-nul 5225  ax-pr 5347  ax-un 7566
This theorem depends on definitions:  df-bi 206  df-an 396  df-or 844  df-3an 1087  df-tru 1542  df-fal 1552  df-ex 1784  df-nf 1788  df-sb 2069  df-mo 2540  df-eu 2569  df-clab 2716  df-cleq 2730  df-clel 2817  df-nfc 2888  df-ne 2943  df-ral 3068  df-rex 3069  df-rab 3072  df-v 3424  df-sbc 3712  df-dif 3886  df-un 3888  df-in 3890  df-ss 3900  df-nul 4254  df-if 4457  df-sn 4559  df-pr 4561  df-op 4565  df-uni 4837  df-br 5071  df-opab 5133  df-mpt 5154  df-id 5480  df-xp 5586  df-rel 5587  df-cnv 5588  df-co 5589  df-dm 5590  df-res 5592  df-iota 6376  df-fun 6420  df-fv 6426  df-ov 7258  df-oprab 7259  df-mpo 7260  df-sets 16793  df-slot 16811  df-prstc 46232
This theorem is referenced by:  prstcnid  46235  prstchomval  46241
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