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.numbers.number_sets.integers.int_interval_within_int
2	instantiation	22, 14, 4	⊢
	: , : , :
3	instantiation	16, 5, 6	⊢
	: , :
4	theorem		⊢
	proveit.numbers.numerals.decimals.nat1
5	instantiation	7, 10, 8	⊢
	: , :
6	instantiation	9, 10	⊢
	:
7	theorem		⊢
	proveit.numbers.exponentiation.exp_int_closure
8	instantiation	11, 12, 13	⊢
	:
9	theorem		⊢
	proveit.numbers.negation.int_closure
10	instantiation	22, 14, 15	⊢
	: , : , :
11	theorem		⊢
	proveit.numbers.number_sets.integers.nonneg_int_is_natural
12	instantiation	16, 17, 18	⊢
	: , :
13	instantiation	19, 20	⊢
	: , :
14	theorem		⊢
	proveit.numbers.number_sets.integers.nat_within_int
15	theorem		⊢
	proveit.numbers.numerals.decimals.nat2
16	theorem		⊢
	proveit.numbers.addition.add_int_closure_bin
17	instantiation	22, 21, 26	⊢
	: , : , :
18	instantiation	22, 23, 24	⊢
	: , : , :
19	theorem		⊢
	proveit.numbers.addition.subtraction.nonneg_difference
20	instantiation	25, 26	⊢
	:
21	theorem		⊢
	proveit.numbers.number_sets.integers.nat_pos_within_int
22	theorem		⊢
	proveit.logic.sets.inclusion.superset_membership_from_proper_subset
23	theorem		⊢
	proveit.numbers.number_sets.integers.neg_int_within_int
24	instantiation	27, 28	⊢
	:
25	theorem		⊢
	proveit.numbers.number_sets.natural_numbers.natural_pos_lower_bound
26	axiom		⊢
	proveit.physics.quantum.QPE._t_in_natural_pos
27	theorem		⊢
	proveit.numbers.negation.int_neg_closure
28	theorem		⊢
	proveit.numbers.numerals.decimals.posnat1