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, 4, 5, 6, 7	,  ⊢
	: , : , : , : , : , : , :
1	theorem		⊢
	proveit.numbers.addition.leftward_commutation
2	reference	29	⊢
3	axiom		⊢
	proveit.numbers.number_sets.natural_numbers.zero_in_nats
4	theorem		⊢
	proveit.core_expr_types.tuples.tuple_len_0_typical_eq
5	instantiation	37, 13, 8	,  ⊢
	: , : , :
6	instantiation	9, 10	⊢
	:
7	instantiation	37, 13, 11	⊢
	: , : , :
8	instantiation	37, 18, 12	,  ⊢
	: , : , :
9	theorem		⊢
	proveit.numbers.negation.complex_closure
10	instantiation	37, 13, 14	⊢
	: , : , :
11	instantiation	15, 16, 39	⊢
	: , : , :
12	instantiation	37, 24, 17	,  ⊢
	: , : , :
13	theorem		⊢
	proveit.numbers.number_sets.complex_numbers.real_within_complex
14	instantiation	37, 18, 19	⊢
	: , : , :
15	theorem		⊢
	proveit.logic.sets.inclusion.unfold_subset_eq
16	instantiation	20, 21	⊢
	: , :
17	instantiation	37, 22, 23	,  ⊢
	: , : , :
18	theorem		⊢
	proveit.numbers.number_sets.real_numbers.rational_within_real
19	instantiation	37, 24, 25	⊢
	: , : , :
20	theorem		⊢
	proveit.logic.sets.inclusion.relax_proper_subset
21	theorem		⊢
	proveit.numbers.number_sets.real_numbers.nat_pos_within_real
22	instantiation	26, 27, 28	⊢
	: , :
23	assumption		⊢
24	theorem		⊢
	proveit.numbers.number_sets.rational_numbers.int_within_rational
25	instantiation	37, 35, 29	⊢
	: , : , :
26	theorem		⊢
	proveit.numbers.number_sets.integers.int_interval_within_int
27	instantiation	30, 31, 32	⊢
	: , :
28	theorem		⊢
	proveit.numbers.number_sets.integers.zero_is_int
29	theorem		⊢
	proveit.numbers.numerals.decimals.nat1
30	theorem		⊢
	proveit.numbers.addition.add_int_closure_bin
31	instantiation	33, 34	⊢
	:
32	instantiation	37, 35, 36	⊢
	: , : , :
33	theorem		⊢
	proveit.numbers.negation.int_closure
34	instantiation	37, 38, 39	⊢
	: , : , :
35	theorem		⊢
	proveit.numbers.number_sets.integers.nat_within_int
36	theorem		⊢
	proveit.numbers.numerals.decimals.nat2
37	theorem		⊢
	proveit.logic.sets.inclusion.superset_membership_from_proper_subset
38	theorem		⊢
	proveit.numbers.number_sets.integers.nat_pos_within_int
39	assumption		⊢