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, 4	,  ⊢
	: , : , :
2	theorem		⊢
	proveit.logic.sets.inclusion.unfold_subset_eq
3	instantiation	5, 6	⊢
	: , :
4	assumption		⊢
5	theorem		⊢
	proveit.logic.sets.inclusion.relax_proper_subset
6	assumption		⊢