def build_proof_tree(args, prop, lm):
statement = prop.statement
proof = prop.proof
proof_steps_stack = []
statement_stack = []
index = 0
use = [args.gt_subs, args.gt_prop, args.gt_payout]
while index<len(proof):
label = proof[index]
#print (label)
if label in prop.e:
index+=1
statement_stack.append(prop.e[label].tree)
proof_steps_stack.append(ProofTree(prop.e[label].tree, prop, prop.e[label], [], 'e', use))
elif label in prop.f:
index+=1
statement_stack.append(prop.f[label].tree)
proof_steps_stack.append(ProofTree(prop.f[label].tree, prop, prop.f[label], [], 'f', use))
else:
axiom = lm.database.propositions[label]
arity = axiom.arity()
if arity>0:
new_statement,_ = axiom.unify(statement_stack[-arity:],prop)
statement_stack = statement_stack[0:-arity]
new_proof_step = ProofTree(new_statement, prop, axiom, proof_steps_stack[-arity:], 'p', use)
proof_steps_stack = proof_steps_stack[0:-arity]
else:
new_statement = axiom.tree
new_proof_step = ProofTree(axiom.tree, prop, axiom, [], 'p', use)
statement_stack.append(new_statement)
proof_steps_stack.append(new_proof_step)
index += 1
assert len(statement_stack)==1
assert statement==[prop.statement[0]]+tree_parser.tree_to_string(statement_stack[0],lm.database,prop)
return proof_steps_stack[-1]
def print_pp(tree, depth):
string = tree_parser.tree_to_string(tree, global_problem.lm.database,
global_context)
string = ' '.join(string)
#string = string.replace(" ", "") # so that the display fits on one line
return string
def get_equation(self, lm, context):
string = tree_parser.tree_to_string(self, lm.database, context)
string = ' '.join(string)
#string = string.replace(" ", "") # so that the display fits on one line
return string
def print_pp(tree, depth):
string = tree_parser.tree_to_string(tree, global_problem.lm.database, global_context)
string = ' '.join(string)
#string = string.replace(" ", "") # so that the display fits on one line
return string
def get_equation(self, lm, context):
string = tree_parser.tree_to_string(self, lm.database, context)
string = ' '.join(string)
#string = string.replace(" ", "") # so that the display fits on one line
return string
