let L be non empty right_complementable Abelian add-associative right_zeroed well-unital distributive commutative doubleLoopStr ; <%(0. L),(0. L),(1. L)%> = <%(0. L),(1. L)%> `^ 2
thus <%(0. L),(0. L),(1. L)%> =
<%((0. L) * (0. L)),(((0. L) * (1. L)) + ((1. L) * (0. L))),((1. L) * (1. L))%>
.=
<%(0. L),(1. L)%> *' <%(0. L),(1. L)%>
by Th5
.=
<%(0. L),(1. L)%> `^ 2
by POLYNOM5:17
; verum