def beta_reduce(term):
if not qterm.is_combination(term):
return term
if qterm.is_abstraction(term.operator):
return substitute(term.operand, term.operator.bound, term.operator.body)
return term
def apply_to_term(self, term):
if qterm.is_atom(term):
return self.apply_to_atom(term)
elif qterm.is_combination(term):
return self.apply_to_combination(term)
elif qterm.is_abstraction(term):
return self.apply_to_abstraction(term)
else:
raise Exception('unrecognized term')
