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Theorem opelstrbas 13200
Description: The base set of a structure with a base set. (Contributed by AV, 10-Nov-2021.)
Hypotheses
Ref Expression
opelstrbas.s (𝜑𝑆 Struct 𝑋)
opelstrbas.v (𝜑𝑉𝑌)
opelstrbas.b (𝜑 → ⟨(Base‘ndx), 𝑉⟩ ∈ 𝑆)
Assertion
Ref Expression
opelstrbas (𝜑𝑉 = (Base‘𝑆))

Proof of Theorem opelstrbas
StepHypRef Expression
1 baseslid 13142 . 2 (Base = Slot (Base‘ndx) ∧ (Base‘ndx) ∈ ℕ)
2 opelstrbas.s . 2 (𝜑𝑆 Struct 𝑋)
3 opelstrbas.v . 2 (𝜑𝑉𝑌)
4 opelstrbas.b . 2 (𝜑 → ⟨(Base‘ndx), 𝑉⟩ ∈ 𝑆)
51, 2, 3, 4opelstrsl 13199 1 (𝜑𝑉 = (Base‘𝑆))
Colors of variables: wff set class
Syntax hints:  wi 4   = wceq 1397  wcel 2202  cop 3672   class class class wbr 4088  cfv 5326   Struct cstr 13080  ndxcnx 13081  Basecbs 13084
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-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-inn 9144  df-struct 13086  df-ndx 13087  df-slot 13088  df-base 13090
This theorem is referenced by:  2strbas1g  13208  rngbaseg  13221  srngbased  13232  lmodbased  13250  ipsbased  13262  topgrpbasd  13282  psrbasg  14691  basvtxval2dom  15888
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