__init__.py __pycache__/ _print_helpers.py add.py alphabets.py assumptions.py assumptions_generated.py backend.py basic.py benchmarks/ cache.py compatibility.py containers.py core.py coreerrors.py decorators.py evalf.py expr.py exprtools.py facts.py function.py kind.py logic.py mod.py mul.py multidimensional.py numbers.py operations.py parameters.py power.py random.py relational.py rules.py singleton.py sorting.py symbol.py sympify.py tests/ trace.py traversal.py