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	modus ponens	1, 2	, ,  ⊢
1	instantiation	6, 3	⊢
	: , :
2	modus ponens	4, 5	,  ⊢
3	assumption		⊢
4	instantiation	6, 7	⊢
	: , :
5	assumption		⊢
6	theorem		⊢
	proveit.logic.booleans.implication.iff_implies_left
7	assumption		⊢