def apply(self, state, id, data, prevs):
if 'sym' in data and data['sym'] == 'true':
sym_b = True
else:
sym_b = False
state.apply_tactic(id,
tactic.rewrite_goal(sym=sym_b),
args=data['theorem'],
prevs=prevs)
def testRewrite2(self):
self.run_test('logic_base',
tactic.rewrite_goal(),
vars={
"a": "'a",
"b": "'a"
},
goal="(if a = a then b else a) = b",
args="if_P",
failed=AssertionError)
def testRewrite3(self):
self.run_test('logic_base',
tactic.rewrite_goal(),
vars={
'P': 'bool',
'a': "'a",
'b': "'a"
},
prevs=["P"],
goal="(if P then a else b) = a",
args="if_P")
def search_thm(th_name, sym):
try:
sym_b = True if sym == 'true' else False
pt = tactic.rewrite_goal(sym=sym_b).get_proof_term(
cur_item.th, args=th_name, prevs=prevs)
results.append({
"theorem": th_name,
"sym": sym,
"_goal": [gap.prop for gap in pt.gaps]
})
except (AssertionError, matcher.MatchException) as e:
pass
def testRewrite4(self):
self.run_test('logic_base',
tactic.rewrite_goal(),
vars={
'P': 'bool',
'Q': 'bool',
'a': "'a",
'b': "'a"
},
prevs=["Q"],
goal="(if P then a else b) = a",
args="if_P",
failed=AssertionError)
def testRewrite(self):
self.run_test('nat',
tactic.rewrite_goal(),
vars={"n": "nat"},
goal="0 + n = n",
args="nat_plus_def_1")