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Theorem supeq1d 7170
Description: Equality deduction for supremum. (Contributed by Paul Chapman, 22-Jun-2011.)
Hypothesis
Ref Expression
supeq1d.1 (𝜑𝐵 = 𝐶)
Assertion
Ref Expression
supeq1d (𝜑 → sup(𝐵, 𝐴, 𝑅) = sup(𝐶, 𝐴, 𝑅))

Proof of Theorem supeq1d
StepHypRef Expression
1 supeq1d.1 . 2 (𝜑𝐵 = 𝐶)
2 supeq1 7169 . 2 (𝐵 = 𝐶 → sup(𝐵, 𝐴, 𝑅) = sup(𝐶, 𝐴, 𝑅))
31, 2syl 14 1 (𝜑 → sup(𝐵, 𝐴, 𝑅) = sup(𝐶, 𝐴, 𝑅))
Colors of variables: wff set class
Syntax hints:  wi 4   = wceq 1395  supcsup 7165
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 714  ax-5 1493  ax-7 1494  ax-gen 1495  ax-ie1 1539  ax-ie2 1540  ax-8 1550  ax-10 1551  ax-11 1552  ax-i12 1553  ax-bndl 1555  ax-4 1556  ax-17 1572  ax-i9 1576  ax-ial 1580  ax-i5r 1581  ax-ext 2211
This theorem depends on definitions:  df-bi 117  df-tru 1398  df-nf 1507  df-sb 1809  df-clab 2216  df-cleq 2222  df-clel 2225  df-nfc 2361  df-ral 2513  df-rex 2514  df-rab 2517  df-uni 3889  df-sup 7167
This theorem is referenced by:  sup3exmid  9120  supminfex  9809  suprzubdc  10473  minmax  11762  xrminmax  11797  xrminrecl  11805  xrminadd  11807  gcdval  12501  gcdass  12557  pceulem  12838  pceu  12839  pcval  12840  pczpre  12841  pcdiv  12846  pcneg  12869  prdsex  13323  prdsval  13327  xmetxp  15202  xmetxpbl  15203  txmetcnp  15213  qtopbasss  15216  hovera  15342  hoverb  15343  hoverlt1  15344  hovergt0  15345  ivthdich  15348
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