Show the Proof

import proveit
# Automation is not needed when only showing a stored proof:
proveit.defaults.automation = False # This will speed things up.
proveit.defaults.inline_pngs = False # Makes files smaller.
%show_proof

	step type	requirements	statement
0	instantiation	1, 2, 3	⊢
	: , : , :
1	theorem		⊢
	proveit.logic.equality.sub_left_side_into
2	instantiation	4	⊢
	:
3	instantiation	5, 6	⊢
	:
4	theorem		⊢
	proveit.logic.booleans.implication.self_implication
5	axiom		⊢
	proveit.logic.sets.comprehension.comprehension_def
6	assumption		⊢