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Theorem eqimss2i 3154
 Description: Infer subclass relationship from equality. (Contributed by NM, 7-Jan-2007.)
Hypothesis
Ref Expression
eqimssi.1 𝐴 = 𝐵
Assertion
Ref Expression
eqimss2i 𝐵𝐴

Proof of Theorem eqimss2i
StepHypRef Expression
1 ssid 3117 . 2 𝐵𝐵
2 eqimssi.1 . 2 𝐴 = 𝐵
31, 2sseqtrri 3132 1 𝐵𝐴
 Colors of variables: wff set class Syntax hints:   = wceq 1331   ⊆ wss 3071 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-5 1423  ax-7 1424  ax-gen 1425  ax-ie1 1469  ax-ie2 1470  ax-8 1482  ax-11 1484  ax-4 1487  ax-17 1506  ax-i9 1510  ax-ial 1514  ax-i5r 1515  ax-ext 2121 This theorem depends on definitions:  df-bi 116  df-nf 1437  df-sb 1736  df-clab 2126  df-cleq 2132  df-clel 2135  df-in 3077  df-ss 3084 This theorem is referenced by:  cocnvres  5063  cocnvss  5064  fsum3  11163  prodfclim1  11320  ef0lem  11373  restid  12141  hmeores  12494
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