QUESTION $3$

$[10]$

Below are a number of expressions. State which are terms, some are atomic wffs $($well$-$formed formulae$)$ and some are neither.

$3\mathrm{.}1P(x,f(x,a,y))$

$3\mathrm{.}2$ Mother$\_$of$($molly$)$

$3\mathrm{.}3$$$aP(a,a)$

$(2)$

$3\mathrm{.}4$ Angry $(x$;$y$;$2$:$00)$

$(2)$

$3\mathrm{.}5,$notyvvA$(y)$

$(2)$