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	7	⊢
2	instantiation	7, 4, 5	⊢
	: , : , :
3	instantiation	17, 14, 18, 13, 6, 15	⊢
	: , : , : , : , : , : , :
4	instantiation	7, 8, 9	⊢
	: , : , :
5	instantiation	17, 10, 19, 13, 11, 12, 15	⊢
	: , : , : , : , : , : , :
6	instantiation	22	⊢
	: , : , : , :
7	axiom		⊢
	proveit.logic.equality.equals_transitivity
8	instantiation	17, 13, 18, 14, 15, 16	⊢
	: , : , : , : , : , : , :
9	instantiation	17, 18, 19, 20	⊢
	: , : , : , : , : , : , :
10	theorem		⊢
	proveit.numbers.numerals.decimals.nat2
11	instantiation	21	⊢
	: , :
12	instantiation	23	⊢
	: , : , :
13	axiom		⊢
	proveit.numbers.number_sets.natural_numbers.zero_in_nats
14	theorem		⊢
	proveit.numbers.numerals.decimals.nat4
15	theorem		⊢
	proveit.core_expr_types.tuples.tuple_len_0_typical_eq
16	instantiation	22	⊢
	: , : , : , :
17	theorem		⊢
	proveit.logic.sets.enumeration.leftward_permutation
18	theorem		⊢
	proveit.numbers.numerals.decimals.nat1
19	theorem		⊢
	proveit.numbers.numerals.decimals.nat3
20	instantiation	23	⊢
	: , : , :
21	theorem		⊢
	proveit.numbers.numerals.decimals.tuple_len_2_typical_eq
22	theorem		⊢
	proveit.numbers.numerals.decimals.tuple_len_4_typical_eq
23	theorem		⊢
	proveit.numbers.numerals.decimals.tuple_len_3_typical_eq