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

Theorem srgdi 13654
Description: Distributive law for the multiplication operation of a semiring. (Contributed by Steve Rodriguez, 9-Sep-2007.) (Revised by Thierry Arnoux, 1-Apr-2018.)
Hypotheses
Ref Expression
srgdi.b  |-  B  =  ( Base `  R
)
srgdi.p  |-  .+  =  ( +g  `  R )
srgdi.t  |-  .x.  =  ( .r `  R )
Assertion
Ref Expression
srgdi  |-  ( ( R  e. SRing  /\  ( X  e.  B  /\  Y  e.  B  /\  Z  e.  B )
)  ->  ( X  .x.  ( Y  .+  Z
) )  =  ( ( X  .x.  Y
)  .+  ( X  .x.  Z ) ) )

Proof of Theorem srgdi
StepHypRef Expression
1 srgdi.b . . 3  |-  B  =  ( Base `  R
)
2 srgdi.p . . 3  |-  .+  =  ( +g  `  R )
3 srgdi.t . . 3  |-  .x.  =  ( .r `  R )
41, 2, 3srgdilem 13649 . 2  |-  ( ( R  e. SRing  /\  ( X  e.  B  /\  Y  e.  B  /\  Z  e.  B )
)  ->  ( ( X  .x.  ( Y  .+  Z ) )  =  ( ( X  .x.  Y )  .+  ( X  .x.  Z ) )  /\  ( ( X 
.+  Y )  .x.  Z )  =  ( ( X  .x.  Z
)  .+  ( Y  .x.  Z ) ) ) )
54simpld 112 1  |-  ( ( R  e. SRing  /\  ( X  e.  B  /\  Y  e.  B  /\  Z  e.  B )
)  ->  ( X  .x.  ( Y  .+  Z
) )  =  ( ( X  .x.  Y
)  .+  ( X  .x.  Z ) ) )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 104    /\ w3a 980    = wceq 1372    e. wcel 2175   ` cfv 5268  (class class class)co 5934   Basecbs 12751   +g cplusg 12828   .rcmulr 12829  SRingcsrg 13643
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 710  ax-5 1469  ax-7 1470  ax-gen 1471  ax-ie1 1515  ax-ie2 1516  ax-8 1526  ax-10 1527  ax-11 1528  ax-i12 1529  ax-bndl 1531  ax-4 1532  ax-17 1548  ax-i9 1552  ax-ial 1556  ax-i5r 1557  ax-13 2177  ax-14 2178  ax-ext 2186  ax-sep 4161  ax-pow 4217  ax-pr 4252  ax-un 4478  ax-cnex 7998  ax-resscn 7999  ax-1re 8001  ax-addrcl 8004
This theorem depends on definitions:  df-bi 117  df-3an 982  df-tru 1375  df-nf 1483  df-sb 1785  df-eu 2056  df-mo 2057  df-clab 2191  df-cleq 2197  df-clel 2200  df-nfc 2336  df-ral 2488  df-rex 2489  df-rab 2492  df-v 2773  df-sbc 2998  df-un 3169  df-in 3171  df-ss 3178  df-pw 3617  df-sn 3638  df-pr 3639  df-op 3641  df-uni 3850  df-int 3885  df-br 4044  df-opab 4105  df-mpt 4106  df-id 4338  df-xp 4679  df-rel 4680  df-cnv 4681  df-co 4682  df-dm 4683  df-rn 4684  df-res 4685  df-iota 5229  df-fun 5270  df-fn 5271  df-fv 5276  df-riota 5889  df-ov 5937  df-inn 9019  df-2 9077  df-3 9078  df-ndx 12754  df-slot 12755  df-base 12757  df-plusg 12841  df-mulr 12842  df-0g 13008  df-srg 13644
This theorem is referenced by:  srglmhm  13673
  Copyright terms: Public domain W3C validator