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