Theorem assaass 19317

Description: Left-associative property of an associative algebra. (Contributed by Mario Carneiro, 29-Dec-2014.)

Hypotheses

Ref	Expression
isassa.v	|- V = ( Base ` W )
isassa.f	|- F = (Scalar ` W )
isassa.b	|- B = ( Base ` F )
isassa.s	|- .x. = ( .s ` W )
isassa.t	|- .X. = ( .r ` W )

Assertion

Ref	Expression
assaass	|- ( ( W e. AssAlg /\ ( A e. B /\ X e. V /\ Y e. V ) ) -> ( ( A .x. X ) .X. Y ) = ( A .x. ( X .X. Y ) ) )

Proof of Theorem assaass

Step	Hyp	Ref	Expression
1		isassa.v	. . 3 |- V = ( Base ` W )
2		isassa.f	. . 3 |- F = (Scalar ` W )
3		isassa.b	. . 3 |- B = ( Base ` F )
4		isassa.s	. . 3 |- .x. = ( .s ` W )
5		isassa.t	. . 3 |- .X. = ( .r ` W )
6	1, 2, 3, 4, 5	assalem 19316	. 2 |- ( ( W e. AssAlg /\ ( A e. B /\ X e. V /\ Y e. V ) ) -> ( ( ( A .x. X ) .X. Y ) = ( A .x. ( X .X. Y ) ) /\ ( X .X. ( A .x. Y ) ) = ( A .x. ( X .X. Y ) ) ) )
7	6	simpld 475	1 |- ( ( W e. AssAlg /\ ( A e. B /\ X e. V /\ Y e. V ) ) -> ( ( A .x. X ) .X. Y ) = ( A .x. ( X .X. Y ) ) )

Syntax hints:   -> wi 4   /\ wa 384   /\ w3a 1037   = wceq 1483   e. wcel 1990   ` cfv 5888  (class class class)co 6650   Basecbs 15857   .rcmulr 15942  Scalarcsca 15944   .scvsca 15945  AssAlgcasa 19309

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1722  ax-4 1737  ax-5 1839  ax-6 1888  ax-7 1935  ax-9 1999  ax-10 2019  ax-11 2034  ax-12 2047  ax-13 2246  ax-ext 2602  ax-nul 4789

This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3an 1039  df-tru 1486  df-ex 1705  df-nf 1710  df-sb 1881  df-eu 2474  df-clab 2609  df-cleq 2615  df-clel 2618  df-nfc 2753  df-ral 2917  df-rex 2918  df-rab 2921  df-v 3202  df-sbc 3436  df-dif 3577  df-un 3579  df-in 3581  df-ss 3588  df-nul 3916  df-if 4087  df-sn 4178  df-pr 4180  df-op 4184  df-uni 4437  df-br 4654  df-iota 5851  df-fv 5896  df-ov 6653  df-assa 19312

This theorem is referenced by:  assa2ass  19322  issubassa  19324  asclmul1  19339  asclrhm  19342  assamulgscmlem2  19349  mplmon2mul  19501  matinv  20483