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	,  ⊢
	: , : , :
1	axiom		⊢
	proveit.logic.equality.substitution
2	instantiation	3, 4	,  ⊢
	: , :
3	theorem		⊢
	proveit.logic.equality.equals_reversal
4	instantiation	5, 6, 7	,  ⊢
	: , :
5	theorem		⊢
	proveit.numbers.multiplication.commutation
6	instantiation	12, 9, 8	⊢
	: , : , :
7	instantiation	12, 9, 10	⊢
	: , : , :
8	instantiation	12, 13, 11	⊢
	: , : , :
9	theorem		⊢
	proveit.numbers.number_sets.complex_numbers.real_within_complex
10	instantiation	12, 13, 14	⊢
	: , : , :
11	assumption		⊢
12	theorem		⊢
	proveit.logic.sets.inclusion.superset_membership_from_proper_subset
13	theorem		⊢
	proveit.numbers.number_sets.real_numbers.real_neg_within_real
14	assumption		⊢