gamma sub 1 == gamma sub 2 \[u21D4] left { matrix{
lcol{ {gamma sub 1 left ( 0 right ) = gamma sub 2 left ( 0 right ) = p , roman " and "} above {{left "" {roman {d}} over {roman {d} t} phi \[u2218] gamma sub 1 left ( t right ) right |} sub {t = 0} = {left "" {roman {d}} over {roman {d} t} phi \[u2218] gamma sub 2 left ( t right ) right |} sub {t = 0}} }
} right ""