Within trillionths of a second after the Big Bang, they have reasoned, the primordial explosion - many billions of degrees hot - must have created a universe that contained equal quantities of matter and antimatter.
a universe of equal matter and antimatter was formed
( z1 form :ARG1 ( z2 universe :cxnsistof ( z3 and :op ( z4 matter :ARG1-of ( z5 equal ) ) :op ( z6 antimatter ) ) ) )