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	modus ponens	2, 3	, ,  ⊢
2	instantiation	7, 4	⊢
	: , :
3	modus ponens	5, 6	,  ⊢
4	assumption		⊢
5	instantiation	7, 8	⊢
	: , :
6	assumption		⊢
7	theorem		⊢
	proveit.logic.booleans.implication.iff_implies_left
8	assumption		⊢