Applies a conversion to the operand of an application.
If c is a conversion that maps a term "t2" to the theorem |- t2 = t2',
then the conversion RAND_CONV c maps applications of the form "t1 t2" to
theorems of the form:
|- (t1 t2) = (t1 t2')
That is, RAND_CONV c "t1 t2" applies c to the operand of the
application "t1 t2".
RAND_CONV c tm fails if tm is not an application or if tm has the form
"t1 t2" but the conversion c fails when applied to the term t2. The
function returned by RAND_CONV c may also fail if the ML function
c:term->thm is not, in fact, a conversion (i.e. a function that maps a term
t to a theorem |- t = t').
- RAND_CONV numLib.num_CONV (Term `SUC 2`);
> val it = |- SUC 2 = SUC(SUC 1) : thm