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, 8	,  ⊢
	: , : , : , : , : , : , : , :
1	theorem		⊢
	proveit.numbers.addition.subtraction.add_cancel_general_rev
2	reference	36	⊢
3	axiom		⊢
	proveit.numbers.number_sets.natural_numbers.zero_in_nats
4	instantiation	9	⊢
	: , :
5	theorem		⊢
	proveit.core_expr_types.tuples.tuple_len_0_typical_eq
6	instantiation	37, 12, 10	,  ⊢
	: , : , :
7	instantiation	37, 12, 11	⊢
	: , : , :
8	instantiation	37, 12, 13	⊢
	: , : , :
9	theorem		⊢
	proveit.numbers.numerals.decimals.tuple_len_2_typical_eq
10	instantiation	37, 17, 14	,  ⊢
	: , : , :
11	instantiation	15, 16, 39	⊢
	: , : , :
12	theorem		⊢
	proveit.numbers.number_sets.complex_numbers.real_within_complex
13	instantiation	37, 17, 18	⊢
	: , : , :
14	instantiation	37, 22, 19	,  ⊢
	: , : , :
15	theorem		⊢
	proveit.logic.sets.inclusion.unfold_subset_eq
16	instantiation	20, 21	⊢
	: , :
17	theorem		⊢
	proveit.numbers.number_sets.real_numbers.rational_within_real
18	instantiation	37, 22, 23	⊢
	: , : , :
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	theorem		⊢
	proveit.numbers.number_sets.rational_numbers.int_within_rational
23	instantiation	37, 35, 26	⊢
	: , : , :
24	instantiation	27, 28, 29	⊢
	: , :
25	assumption		⊢
26	theorem		⊢
	proveit.numbers.numerals.decimals.nat1
27	theorem		⊢
	proveit.numbers.number_sets.integers.int_interval_within_int
28	instantiation	30, 31, 32	⊢
	: , :
29	theorem		⊢
	proveit.numbers.number_sets.integers.zero_is_int
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		⊢