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.core_expr_types.tuples.partition_front
2	instantiation	4, 5, 6	⊢
	: , :
3	instantiation	7, 8	⊢
	:
4	theorem		⊢
	proveit.numbers.addition.add_nat_closure_bin
5	theorem		⊢
	proveit.numbers.numerals.decimals.nat2
6	instantiation	9, 10, 11	⊢
	: , : , :
7	theorem		⊢
	proveit.numbers.addition.elim_zero_left
8	instantiation	22, 12, 13	⊢
	: , : , :
9	theorem		⊢
	proveit.logic.sets.inclusion.unfold_subset_eq
10	instantiation	14, 15	⊢
	: , :
11	instantiation	16, 17	⊢
	: , :
12	theorem		⊢
	proveit.numbers.number_sets.complex_numbers.real_within_complex
13	instantiation	22, 18, 19	⊢
	: , : , :
14	theorem		⊢
	proveit.logic.sets.inclusion.relax_proper_subset
15	theorem		⊢
	proveit.numbers.number_sets.natural_numbers.zero_set_within_nat
16	theorem		⊢
	proveit.logic.sets.enumeration.fold_singleton
17	theorem		⊢
	proveit.numbers.negation.negated_zero
18	theorem		⊢
	proveit.numbers.number_sets.real_numbers.rational_within_real
19	instantiation	22, 20, 21	⊢
	: , : , :
20	theorem		⊢
	proveit.numbers.number_sets.rational_numbers.int_within_rational
21	instantiation	22, 23, 24	⊢
	: , : , :
22	theorem		⊢
	proveit.logic.sets.inclusion.superset_membership_from_proper_subset
23	theorem		⊢
	proveit.numbers.number_sets.integers.nat_within_int
24	theorem		⊢
	proveit.numbers.numerals.decimals.nat1