theorem Th44: :: AFINSQ_1:47
for p being XFinSequence
for x1, x2, x3, x4, x5, x6 being set st p = ((((<%x1%> ^ <%x2%>) ^ <%x3%>) ^ <%x4%>) ^ <%x5%>) ^ <%x6%> holds
( len p = 6 & p . 0 = x1 & p . 1 = x2 & p . 2 = x3 & p . 3 = x4 & p . 4 = x5 & p . 5 = x6 )