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Theorem resseqnbasd 13158
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 13149 . . . . . 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 2276 . . . 4 (𝜑𝑅 = (𝑊 sSet ⟨(Base‘ndx), (𝐴 ∩ (Base‘𝑊))⟩))
87fveq2d 5643 . . 3 (𝜑 → (𝐸𝑅) = (𝐸‘(𝑊 sSet ⟨(Base‘ndx), (𝐴 ∩ (Base‘𝑊))⟩)))
9 inex1g 4225 . . . . 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 13140 . . . . 5 (Base‘ndx) ∈ ℕ
1411, 12, 13setsslnid 13136 . . . 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 2267 . 2 (𝜑 → (𝐸𝑅) = (𝐸𝑊))
171, 16eqtr4id 2283 1 (𝜑𝐶 = (𝐸𝑅))
Colors of variables: wff set class
Syntax hints:  wi 4  wa 104   = wceq 1397  wcel 2202  wne 2402  Vcvv 2802  cin 3199  cop 3672  cfv 5326  (class class class)co 6018  cn 9143  ndxcnx 13081   sSet csts 13082  Slot cslot 13083  Basecbs 13084  s cress 13085
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 619  ax-in2 620  ax-io 716  ax-5 1495  ax-7 1496  ax-gen 1497  ax-ie1 1541  ax-ie2 1542  ax-8 1552  ax-10 1553  ax-11 1554  ax-i12 1555  ax-bndl 1557  ax-4 1558  ax-17 1574  ax-i9 1578  ax-ial 1582  ax-i5r 1583  ax-13 2204  ax-14 2205  ax-ext 2213  ax-sep 4207  ax-pow 4264  ax-pr 4299  ax-un 4530  ax-setind 4635  ax-cnex 8123  ax-resscn 8124  ax-1re 8126  ax-addrcl 8129
This theorem depends on definitions:  df-bi 117  df-3an 1006  df-tru 1400  df-fal 1403  df-nf 1509  df-sb 1811  df-eu 2082  df-mo 2083  df-clab 2218  df-cleq 2224  df-clel 2227  df-nfc 2363  df-ne 2403  df-ral 2515  df-rex 2516  df-rab 2519  df-v 2804  df-sbc 3032  df-dif 3202  df-un 3204  df-in 3206  df-ss 3213  df-nul 3495  df-pw 3654  df-sn 3675  df-pr 3676  df-op 3678  df-uni 3894  df-int 3929  df-br 4089  df-opab 4151  df-mpt 4152  df-id 4390  df-xp 4731  df-rel 4732  df-cnv 4733  df-co 4734  df-dm 4735  df-rn 4736  df-res 4737  df-iota 5286  df-fun 5328  df-fv 5334  df-ov 6021  df-oprab 6022  df-mpo 6023  df-inn 9144  df-ndx 13087  df-slot 13088  df-base 13090  df-sets 13091  df-iress 13092
This theorem is referenced by:  ressplusgd  13214  ressmulrg  13230  ressscag  13268  ressvscag  13269  ressipg  13270
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