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	⊢
	: , :
1	theorem		⊢
	proveit.numbers.addition.add_nat_pos_closure
2	theorem		⊢
	proveit.numbers.numerals.decimals.posnat3
3	instantiation	6	⊢
	: , : , :
4	instantiation	7, 8, 9	⊢
	:
5	instantiation	11, 27, 10	⊢
	: , : , :
6	theorem		⊢
	proveit.numbers.numerals.decimals.tuple_len_3_typical_eq
7	theorem		⊢
	proveit.numbers.number_sets.integers.nonzero_nat_is_natural_pos
8	instantiation	11, 36, 13	⊢
	: , : , :
9	instantiation	11, 12, 13	⊢
	: , : , :
10	instantiation	14, 19, 15, 20	⊢
	: , : , :
11	theorem		⊢
	proveit.logic.equality.sub_left_side_into
12	instantiation	16, 17	⊢
	:
13	instantiation	18, 19, 20	⊢
	: , : , :
14	theorem		⊢
	proveit.numbers.addition.subtraction.add_cancel_triple_32
15	instantiation	34, 22, 21	⊢
	: , : , :
16	theorem		⊢
	proveit.numbers.number_sets.natural_numbers.nonzero_if_is_nat_pos
17	theorem		⊢
	proveit.numbers.numerals.decimals.posnat1
18	theorem		⊢
	proveit.numbers.addition.subtraction.add_cancel_triple_12
19	instantiation	34, 22, 23	⊢
	: , : , :
20	instantiation	24	⊢
	:
21	instantiation	25, 26, 27	⊢
	: , : , :
22	theorem		⊢
	proveit.numbers.number_sets.complex_numbers.real_within_complex
23	instantiation	34, 28, 29	⊢
	: , : , :
24	axiom		⊢
	proveit.logic.equality.equals_reflexivity
25	theorem		⊢
	proveit.logic.sets.inclusion.unfold_subset_eq
26	instantiation	30, 31	⊢
	: , :
27	assumption		⊢
28	theorem		⊢
	proveit.numbers.number_sets.real_numbers.rational_within_real
29	instantiation	34, 32, 33	⊢
	: , : , :
30	theorem		⊢
	proveit.logic.sets.inclusion.relax_proper_subset
31	theorem		⊢
	proveit.numbers.number_sets.real_numbers.nat_pos_within_real
32	theorem		⊢
	proveit.numbers.number_sets.rational_numbers.int_within_rational
33	instantiation	34, 35, 36	⊢
	: , : , :
34	theorem		⊢
	proveit.logic.sets.inclusion.superset_membership_from_proper_subset
35	theorem		⊢
	proveit.numbers.number_sets.integers.nat_within_int
36	theorem		⊢
	proveit.numbers.numerals.decimals.nat1