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	reference	28	⊢
2	reference	29	⊢
3	instantiation	4, 5	,  ⊢
	:
4	theorem		⊢
	proveit.trigonometry.real_closure
5	instantiation	6, 7, 8, 9	,  ⊢
	: , :
6	theorem		⊢
	proveit.numbers.division.div_real_closure
7	instantiation	28, 10, 11	,  ⊢
	: , : , :
8	instantiation	28, 12, 13	⊢
	: , : , :
9	instantiation	14, 15	⊢
	:
10	theorem		⊢
	proveit.numbers.number_sets.real_numbers.real_nonneg_within_real
11	instantiation	16, 17	,  ⊢
	:
12	theorem		⊢
	proveit.numbers.number_sets.real_numbers.rational_within_real
13	instantiation	28, 18, 19	⊢
	: , : , :
14	theorem		⊢
	proveit.numbers.number_sets.natural_numbers.nonzero_if_is_nat_pos
15	theorem		⊢
	proveit.numbers.numerals.decimals.posnat2
16	theorem		⊢
	proveit.numbers.absolute_value.abs_complex_closure
17	instantiation	20, 21, 22	,  ⊢
	: , :
18	theorem		⊢
	proveit.numbers.number_sets.rational_numbers.int_within_rational
19	instantiation	28, 23, 24	⊢
	: , : , :
20	theorem		⊢
	proveit.numbers.addition.add_complex_closure_bin
21	instantiation	28, 29, 25	⊢
	: , : , :
22	instantiation	26, 27	⊢
	:
23	theorem		⊢
	proveit.numbers.number_sets.integers.nat_within_int
24	theorem		⊢
	proveit.numbers.numerals.decimals.nat2
25	assumption		⊢
26	theorem		⊢
	proveit.numbers.negation.complex_closure
27	instantiation	28, 29, 30	⊢
	: , : , :
28	theorem		⊢
	proveit.logic.sets.inclusion.superset_membership_from_proper_subset
29	theorem		⊢
	proveit.numbers.number_sets.complex_numbers.real_within_complex
30	assumption		⊢