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Only discard when top is in the right subalgebra or bottom is in the left

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Brandon Rozek 2024-11-12 15:18:57 -05:00
parent f057ba64fc
commit 30ad57c867
2 changed files with 17 additions and 27 deletions
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26
model.py
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@ -219,7 +219,7 @@ def satisfiable(logic: Logic, model: Model, interpretation: Dict[Operation, Mode
def model_closure(initial_set: Set[ModelValue], mfunctions: Set[ModelFunction], top: Optional[ModelValue], bottom: Optional[ModelValue]) -> Set[ModelValue]:
def model_closure(initial_set: Set[ModelValue], mfunctions: Set[ModelFunction], forbidden_element: Optional[ModelValue]) -> Set[ModelValue]:
"""
Given an initial set of model values and a set of model functions,
compute the complete set of model values that are closed
@ -230,7 +230,7 @@ def model_closure(initial_set: Set[ModelValue], mfunctions: Set[ModelFunction],
closure_set: Set[ModelValue] = initial_set
last_new: Set[ModelValue] = initial_set
changed: bool = True
topbottom_found = False
forbidden_found = False
while changed:
changed = False
@ -256,14 +256,11 @@ def model_closure(initial_set: Set[ModelValue], mfunctions: Set[ModelFunction],
# Optimization: Break out of computation
# early when top or bottom element is foun
if top is not None and element == top:
topbottom_found = True
if bottom is not None and element == bottom:
topbottom_found = True
if topbottom_found:
if forbidden_element is not None and element == forbidden_element:
forbidden_found = True
break
if topbottom_found:
if forbidden_found:
break
# We don't need to compute the arguments
@ -291,17 +288,14 @@ def model_closure(initial_set: Set[ModelValue], mfunctions: Set[ModelFunction],
# Optimization: Break out of computation
# early when top or bottom element is foun
if top is not None and element == top:
topbottom_found = True
if bottom is not None and element == bottom:
topbottom_found = True
if topbottom_found:
if forbidden_element is not None and element == forbidden_element:
forbidden_found = True
break
if topbottom_found:
if forbidden_found:
break
if topbottom_found:
if forbidden_found:
break
@ -309,7 +303,7 @@ def model_closure(initial_set: Set[ModelValue], mfunctions: Set[ModelFunction],
changed = len(new_elements) > 0
last_new = new_elements
if topbottom_found:
if forbidden_found:
break
return closure_set