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	deduction	1	⊢
1	instantiation	2, 3	⊢
	: , : , :
2	theorem		⊢
	proveit.logic.sets.inclusion.fold_subset_eq
3	assumption		⊢