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Theorem infeq1d 7303
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 7302 . 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 7274
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 2214
This theorem depends on definitions:  df-bi 117  df-tru 1401  df-nf 1510  df-sb 1812  df-clab 2219  df-cleq 2225  df-clel 2228  df-nfc 2373  df-ral 2525  df-rex 2526  df-rab 2529  df-uni 3915  df-sup 7275  df-inf 7276
This theorem is referenced by:  zsupssdc  10598  xrbdtri  11961  nnmindc  12730  nnminle  12731  lcmval  12760  lcmass  12782  odzval  12939  nninfdclemcl  13199  nninfdclemp1  13201  nninfdc  13204  bdmetval  15365  bdxmet  15366  qtopbasss  15386  hovera  15512  hoverb  15513  hoverlt1  15514  hovergt0  15515  ivthdich  15518  repiecele0  16810  repiecege0  16811  repiecef  16812
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