thus xor2 . <*0 ,0 *> =
FALSE 'xor' FALSE
by Def13
.=
0
; ( xor2 . <*0 ,1*> = 1 & xor2 . <*1,0 *> = 1 & xor2 . <*1,1*> = 0 & xor2a . <*0 ,0 *> = 1 & xor2a . <*0 ,1*> = 0 & xor2a . <*1,0 *> = 0 & xor2a . <*1,1*> = 1 )
thus xor2 . <*0 ,1*> =
FALSE 'xor' TRUE
by Def13
.=
1
; ( xor2 . <*1,0 *> = 1 & xor2 . <*1,1*> = 0 & xor2a . <*0 ,0 *> = 1 & xor2a . <*0 ,1*> = 0 & xor2a . <*1,0 *> = 0 & xor2a . <*1,1*> = 1 )
thus xor2 . <*1,0 *> =
TRUE 'xor' FALSE
by Def13
.=
1
; ( xor2 . <*1,1*> = 0 & xor2a . <*0 ,0 *> = 1 & xor2a . <*0 ,1*> = 0 & xor2a . <*1,0 *> = 0 & xor2a . <*1,1*> = 1 )
thus xor2 . <*1,1*> =
TRUE 'xor' TRUE
by Def13
.=
0
; ( xor2a . <*0 ,0 *> = 1 & xor2a . <*0 ,1*> = 0 & xor2a . <*1,0 *> = 0 & xor2a . <*1,1*> = 1 )
thus xor2a . <*0 ,0 *> =
('not' FALSE ) 'xor' FALSE
by Def14
.=
1
; ( xor2a . <*0 ,1*> = 0 & xor2a . <*1,0 *> = 0 & xor2a . <*1,1*> = 1 )
thus xor2a . <*0 ,1*> =
('not' FALSE ) 'xor' TRUE
by Def14
.=
0
; ( xor2a . <*1,0 *> = 0 & xor2a . <*1,1*> = 1 )
thus xor2a . <*1,0 *> =
('not' TRUE ) 'xor' FALSE
by Def14
.=
0
; xor2a . <*1,1*> = 1
thus xor2a . <*1,1*> =
('not' TRUE ) 'xor' TRUE
by Def14
.=
1
; verum