def tc2(node, start): #N->NP. alfa def
v = start + "0"
node_app = DRSnode()
node_app.type = "app"
node_var1 = DRSnode()
node_var1.type = "var"
node_var1.text = "v1"
node_var2 = DRSnode()
node_var2.type = "var"
node_var2.text = v
node_app.expression.append(node_var1)
node_app.expression.append(node_var2)
node_merge = DRSnode()
node_merge.type = "alfa"
node_merge.attrib = {"type": "def"}
node_last, idx = modify_attrib(node, "v1", v)
node.add_variable(v, True)
node_merge.expression.append(node_last.expression[idx])
node_merge.expression.append(node_app)
node_last.expression[idx] = node_merge
normal_variables(node)
return node
def ftr(node):
node_lam = DRSnode()
node_lam.type = "lam"
node_var = DRSnode()
node_var.type = "var"
node_var.text = "v0"
node_lam.expression.append(node_var)
node_app = DRSnode()
node_app.type = "app"
node_var = DRSnode()
node_var.type = "var"
node_var.text = "v0"
node_app.expression.append(node_var)
node_app.expression.append(node)
node_lam.expression.append(node_app)
normal_variables(node_lam)
return node_lam
