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Theorem resseqnbasd 12694
Description: The components of an extensible structure except the base set remain unchanged on a structure restriction. (Contributed by Mario Carneiro, 26-Nov-2014.) (Revised by Mario Carneiro, 2-Dec-2014.) (Revised by AV, 19-Oct-2024.)
Hypotheses
Ref Expression
resseqnbas.r 𝑅 = (𝑊s 𝐴)
resseqnbas.e 𝐶 = (𝐸𝑊)
resseqnbasd.f (𝐸 = Slot (𝐸‘ndx) ∧ (𝐸‘ndx) ∈ ℕ)
resseqnbas.n (𝐸‘ndx) ≠ (Base‘ndx)
resseqnbasd.w (𝜑𝑊𝑋)
resseqnbasd.a (𝜑𝐴𝑉)
Assertion
Ref Expression
resseqnbasd (𝜑𝐶 = (𝐸𝑅))

Proof of Theorem resseqnbasd
StepHypRef Expression
1 resseqnbas.e . 2 𝐶 = (𝐸𝑊)
2 resseqnbas.r . . . . 5 𝑅 = (𝑊s 𝐴)
3 resseqnbasd.w . . . . . 6 (𝜑𝑊𝑋)
4 resseqnbasd.a . . . . . 6 (𝜑𝐴𝑉)
5 ressvalsets 12685 . . . . . 6 ((𝑊𝑋𝐴𝑉) → (𝑊s 𝐴) = (𝑊 sSet ⟨(Base‘ndx), (𝐴 ∩ (Base‘𝑊))⟩))
63, 4, 5syl2anc 411 . . . . 5 (𝜑 → (𝑊s 𝐴) = (𝑊 sSet ⟨(Base‘ndx), (𝐴 ∩ (Base‘𝑊))⟩))
72, 6eqtrid 2238 . . . 4 (𝜑𝑅 = (𝑊 sSet ⟨(Base‘ndx), (𝐴 ∩ (Base‘𝑊))⟩))
87fveq2d 5559 . . 3 (𝜑 → (𝐸𝑅) = (𝐸‘(𝑊 sSet ⟨(Base‘ndx), (𝐴 ∩ (Base‘𝑊))⟩)))
9 inex1g 4166 . . . . 5 (𝐴𝑉 → (𝐴 ∩ (Base‘𝑊)) ∈ V)
104, 9syl 14 . . . 4 (𝜑 → (𝐴 ∩ (Base‘𝑊)) ∈ V)
11 resseqnbasd.f . . . . 5 (𝐸 = Slot (𝐸‘ndx) ∧ (𝐸‘ndx) ∈ ℕ)
12 resseqnbas.n . . . . 5 (𝐸‘ndx) ≠ (Base‘ndx)
13 basendxnn 12677 . . . . 5 (Base‘ndx) ∈ ℕ
1411, 12, 13setsslnid 12673 . . . 4 ((𝑊𝑋 ∧ (𝐴 ∩ (Base‘𝑊)) ∈ V) → (𝐸𝑊) = (𝐸‘(𝑊 sSet ⟨(Base‘ndx), (𝐴 ∩ (Base‘𝑊))⟩)))
153, 10, 14syl2anc 411 . . 3 (𝜑 → (𝐸𝑊) = (𝐸‘(𝑊 sSet ⟨(Base‘ndx), (𝐴 ∩ (Base‘𝑊))⟩)))
168, 15eqtr4d 2229 . 2 (𝜑 → (𝐸𝑅) = (𝐸𝑊))
171, 16eqtr4id 2245 1 (𝜑𝐶 = (𝐸𝑅))
Colors of variables: wff set class
Syntax hints:  wi 4  wa 104   = wceq 1364  wcel 2164  wne 2364  Vcvv 2760  cin 3153  cop 3622  cfv 5255  (class class class)co 5919  cn 8984  ndxcnx 12618   sSet csts 12619  Slot cslot 12620  Basecbs 12621  s cress 12622
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 615  ax-in2 616  ax-io 710  ax-5 1458  ax-7 1459  ax-gen 1460  ax-ie1 1504  ax-ie2 1505  ax-8 1515  ax-10 1516  ax-11 1517  ax-i12 1518  ax-bndl 1520  ax-4 1521  ax-17 1537  ax-i9 1541  ax-ial 1545  ax-i5r 1546  ax-13 2166  ax-14 2167  ax-ext 2175  ax-sep 4148  ax-pow 4204  ax-pr 4239  ax-un 4465  ax-setind 4570  ax-cnex 7965  ax-resscn 7966  ax-1re 7968  ax-addrcl 7971
This theorem depends on definitions:  df-bi 117  df-3an 982  df-tru 1367  df-fal 1370  df-nf 1472  df-sb 1774  df-eu 2045  df-mo 2046  df-clab 2180  df-cleq 2186  df-clel 2189  df-nfc 2325  df-ne 2365  df-ral 2477  df-rex 2478  df-rab 2481  df-v 2762  df-sbc 2987  df-dif 3156  df-un 3158  df-in 3160  df-ss 3167  df-nul 3448  df-pw 3604  df-sn 3625  df-pr 3626  df-op 3628  df-uni 3837  df-int 3872  df-br 4031  df-opab 4092  df-mpt 4093  df-id 4325  df-xp 4666  df-rel 4667  df-cnv 4668  df-co 4669  df-dm 4670  df-rn 4671  df-res 4672  df-iota 5216  df-fun 5257  df-fv 5263  df-ov 5922  df-oprab 5923  df-mpo 5924  df-inn 8985  df-ndx 12624  df-slot 12625  df-base 12627  df-sets 12628  df-iress 12629
This theorem is referenced by:  ressplusgd  12749  ressmulrg  12765  ressscag  12803  ressvscag  12804  ressipg  12805
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