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

Theorem ssidd 3118
Description: Weakening of ssid 3117. (Contributed by BJ, 1-Sep-2022.)
Assertion
Ref Expression
ssidd  |-  ( ph  ->  A  C_  A )

Proof of Theorem ssidd
StepHypRef Expression
1 ssid 3117 . 2  |-  A  C_  A
21a1i 9 1  |-  ( ph  ->  A  C_  A )
Colors of variables: wff set class
Syntax hints:    -> wi 4    C_ 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:  isum  11154  fsum3ser  11166  fsumcl  11169  ennnfoneleminc  11924  restopn2  12352  negcncf  12757  mulcncf  12760  dvidlemap  12829  dvaddxxbr  12834  dvmulxxbr  12835  dvcoapbr  12840  dvcjbr  12841  dvexp  12844  dvrecap  12846  dvmptcmulcn  12852  dvmptnegcn  12853  dvmptsubcn  12854  dveflem  12855  dvef  12856
  Copyright terms: Public domain W3C validator