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	⊢
	: , : , :
4	theorem		⊢
	proveit.core_expr_types.tuples.range_len
5	instantiation	9, 10, 11, 12, 13, 39	⊢
	: , :
6	axiom		⊢
	proveit.logic.equality.equals_transitivity
7	instantiation	14, 27	⊢
	: , : , :
8	instantiation	15, 39, 16, 17	⊢
	: , : , : , :
9	theorem		⊢
	proveit.numbers.addition.add_nat_closure
10	theorem		⊢
	proveit.numbers.numerals.decimals.nat3
11	instantiation	18	⊢
	: , : , :
12	instantiation	37, 19, 30	⊢
	: , : , :
13	instantiation	28, 20, 21	⊢
	: , : , :
14	axiom		⊢
	proveit.logic.equality.substitution
15	theorem		⊢
	proveit.numbers.addition.elim_zero_any
16	instantiation	37, 23, 22	⊢
	: , : , :
17	instantiation	37, 23, 24	⊢
	: , : , :
18	theorem		⊢
	proveit.numbers.numerals.decimals.tuple_len_3_typical_eq
19	theorem		⊢
	proveit.numbers.number_sets.natural_numbers.nat_pos_within_nat
20	instantiation	33, 25	⊢
	: , :
21	instantiation	26, 27	⊢
	: , :
22	instantiation	28, 29, 30	⊢
	: , : , :
23	theorem		⊢
	proveit.numbers.number_sets.complex_numbers.real_within_complex
24	instantiation	37, 31, 32	⊢
	: , : , :
25	theorem		⊢
	proveit.numbers.number_sets.natural_numbers.zero_set_within_nat
26	theorem		⊢
	proveit.logic.sets.enumeration.fold_singleton
27	theorem		⊢
	proveit.numbers.negation.negated_zero
28	theorem		⊢
	proveit.logic.sets.inclusion.unfold_subset_eq
29	instantiation	33, 34	⊢
	: , :
30	assumption		⊢
31	theorem		⊢
	proveit.numbers.number_sets.real_numbers.rational_within_real
32	instantiation	37, 35, 36	⊢
	: , : , :
33	theorem		⊢
	proveit.logic.sets.inclusion.relax_proper_subset
34	theorem		⊢
	proveit.numbers.number_sets.real_numbers.nat_pos_within_real
35	theorem		⊢
	proveit.numbers.number_sets.rational_numbers.int_within_rational
36	instantiation	37, 38, 39	⊢
	: , : , :
37	theorem		⊢
	proveit.logic.sets.inclusion.superset_membership_from_proper_subset
38	theorem		⊢
	proveit.numbers.number_sets.integers.nat_within_int
39	theorem		⊢
	proveit.numbers.numerals.decimals.nat1