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, 3	, , ,  ⊢
	: , : , :
1	theorem		⊢
	proveit.logic.equality.sub_right_side_into
2	instantiation	4, 5	,  ⊢
	: , : , :
3	instantiation	6, 7, 8, 9	, , ,  ⊢
	: , :
4	axiom		⊢
	proveit.logic.equality.substitution
5	instantiation	10, 12, 13	,  ⊢
	: , :
6	theorem		⊢
	proveit.numbers.division.neg_frac_neg_numerator
7	instantiation	11, 12, 13	,  ⊢
	: , :
8	instantiation	16, 17, 14	⊢
	: , : , :
9	assumption		⊢
10	theorem		⊢
	proveit.numbers.multiplication.mult_neg_right
11	theorem		⊢
	proveit.numbers.multiplication.mult_complex_closure_bin
12	instantiation	16, 17, 15	⊢
	: , : , :
13	instantiation	16, 17, 18	⊢
	: , : , :
14	assumption		⊢
15	assumption		⊢
16	theorem		⊢
	proveit.logic.sets.inclusion.superset_membership_from_proper_subset
17	theorem		⊢
	proveit.numbers.number_sets.complex_numbers.real_within_complex
18	assumption		⊢