ILE Home Intuitionistic Logic Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  ILE Home  >  Th. List  >  ialgrlemconst GIF version

Theorem ialgrlemconst 11760
Description: Lemma for ialgr0 11761. Closure of a constant function, in a form suitable for theorems such as seq3-1 10264 or seqf 10265. (Contributed by Jim Kingdon, 22-Jul-2021.)
Hypotheses
Ref Expression
ialgrlemconst.z 𝑍 = (ℤ𝑀)
ialgrlemconst.a (𝜑𝐴𝑆)
Assertion
Ref Expression
ialgrlemconst ((𝜑𝑥 ∈ (ℤ𝑀)) → ((𝑍 × {𝐴})‘𝑥) ∈ 𝑆)

Proof of Theorem ialgrlemconst
StepHypRef Expression
1 ialgrlemconst.a . . 3 (𝜑𝐴𝑆)
2 ialgrlemconst.z . . . . 5 𝑍 = (ℤ𝑀)
32eleq2i 2207 . . . 4 (𝑥𝑍𝑥 ∈ (ℤ𝑀))
43biimpri 132 . . 3 (𝑥 ∈ (ℤ𝑀) → 𝑥𝑍)
5 fvconst2g 5642 . . 3 ((𝐴𝑆𝑥𝑍) → ((𝑍 × {𝐴})‘𝑥) = 𝐴)
61, 4, 5syl2an 287 . 2 ((𝜑𝑥 ∈ (ℤ𝑀)) → ((𝑍 × {𝐴})‘𝑥) = 𝐴)
71adantr 274 . 2 ((𝜑𝑥 ∈ (ℤ𝑀)) → 𝐴𝑆)
86, 7eqeltrd 2217 1 ((𝜑𝑥 ∈ (ℤ𝑀)) → ((𝑍 × {𝐴})‘𝑥) ∈ 𝑆)
Colors of variables: wff set class
Syntax hints:  wi 4  wa 103   = wceq 1332  wcel 1481  {csn 3532   × cxp 4545  cfv 5131  cuz 9350
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 105  ax-ia2 106  ax-ia3 107  ax-io 699  ax-5 1424  ax-7 1425  ax-gen 1426  ax-ie1 1470  ax-ie2 1471  ax-8 1483  ax-10 1484  ax-11 1485  ax-i12 1486  ax-bndl 1487  ax-4 1488  ax-14 1493  ax-17 1507  ax-i9 1511  ax-ial 1515  ax-i5r 1516  ax-ext 2122  ax-sep 4054  ax-pow 4106  ax-pr 4139
This theorem depends on definitions:  df-bi 116  df-3an 965  df-tru 1335  df-nf 1438  df-sb 1737  df-eu 2003  df-mo 2004  df-clab 2127  df-cleq 2133  df-clel 2136  df-nfc 2271  df-ral 2422  df-rex 2423  df-v 2691  df-sbc 2914  df-un 3080  df-in 3082  df-ss 3089  df-pw 3517  df-sn 3538  df-pr 3539  df-op 3541  df-uni 3745  df-br 3938  df-opab 3998  df-mpt 3999  df-id 4223  df-xp 4553  df-rel 4554  df-cnv 4555  df-co 4556  df-dm 4557  df-rn 4558  df-iota 5096  df-fun 5133  df-fn 5134  df-f 5135  df-fv 5139
This theorem is referenced by:  ialgr0  11761  algrp1  11763
  Copyright terms: Public domain W3C validator