ILE Home Intuitionistic Logic Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  ILE Home  >  Th. List  >  infeq1d GIF version

Theorem infeq1d 7254
Description: Equality deduction for infimum. (Contributed by AV, 2-Sep-2020.)
Hypothesis
Ref Expression
infeq1d.1 (𝜑𝐵 = 𝐶)
Assertion
Ref Expression
infeq1d (𝜑 → inf(𝐵, 𝐴, 𝑅) = inf(𝐶, 𝐴, 𝑅))

Proof of Theorem infeq1d
StepHypRef Expression
1 infeq1d.1 . 2 (𝜑𝐵 = 𝐶)
2 infeq1 7253 . 2 (𝐵 = 𝐶 → inf(𝐵, 𝐴, 𝑅) = inf(𝐶, 𝐴, 𝑅))
31, 2syl 14 1 (𝜑 → inf(𝐵, 𝐴, 𝑅) = inf(𝐶, 𝐴, 𝑅))
Colors of variables: wff set class
Syntax hints:  wi 4   = wceq 1398  infcinf 7225
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-io 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-ext 2213
This theorem depends on definitions:  df-bi 117  df-tru 1401  df-nf 1510  df-sb 1811  df-clab 2218  df-cleq 2224  df-clel 2227  df-nfc 2364  df-ral 2516  df-rex 2517  df-rab 2520  df-uni 3899  df-sup 7226  df-inf 7227
This theorem is referenced by:  zsupssdc  10544  xrbdtri  11899  nnmindc  12668  nnminle  12669  lcmval  12698  lcmass  12720  odzval  12877  nninfdclemcl  13132  nninfdclemp1  13134  nninfdc  13137  bdmetval  15294  bdxmet  15295  qtopbasss  15315  hovera  15441  hoverb  15442  hoverlt1  15443  hovergt0  15444  ivthdich  15447  repiecele0  16741  repiecege0  16742  repiecef  16743
  Copyright terms: Public domain W3C validator