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