frees
hol88Lib.frees : term -> term list
Returns a list of the variables which are free in a term.
frees is equivalent to rev o Term.free_vars.
rev o Term.free_vars
Never fails.
Superseded by Term.free_vars.
Term.free_vars
hol88Lib.freesl, Term.free_vars
hol88Lib.freesl