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	28	⊢
2	theorem		⊢
	proveit.numbers.number_sets.real_numbers.real_nonneg_within_real
3	instantiation	4, 5	⊢
	:
4	theorem		⊢
	proveit.numbers.absolute_value.abs_complex_closure
5	instantiation	28, 6, 7	⊢
	: , : , :
6	theorem		⊢
	proveit.numbers.number_sets.complex_numbers.real_within_complex
7	instantiation	8, 9, 12, 10	⊢
	: , : , :
8	theorem		⊢
	proveit.numbers.number_sets.real_numbers.all_in_interval_co__is__real
9	instantiation	11, 12	⊢
	:
10	instantiation	13, 14	⊢
	:
11	theorem		⊢
	proveit.numbers.negation.real_closure
12	instantiation	15, 16, 17, 18	⊢
	: , :
13	theorem		⊢
	proveit.physics.quantum.QPE._delta_b_floor_diff_in_interval
14	assumption		⊢
15	theorem		⊢
	proveit.numbers.division.div_real_closure
16	instantiation	28, 20, 19	⊢
	: , : , :
17	instantiation	28, 20, 21	⊢
	: , : , :
18	instantiation	22, 23	⊢
	:
19	instantiation	28, 25, 24	⊢
	: , : , :
20	theorem		⊢
	proveit.numbers.number_sets.real_numbers.rational_within_real
21	instantiation	28, 25, 26	⊢
	: , : , :
22	theorem		⊢
	proveit.numbers.number_sets.natural_numbers.nonzero_if_is_nat_pos
23	theorem		⊢
	proveit.numbers.numerals.decimals.posnat2
24	instantiation	28, 29, 27	⊢
	: , : , :
25	theorem		⊢
	proveit.numbers.number_sets.rational_numbers.int_within_rational
26	instantiation	28, 29, 30	⊢
	: , : , :
27	theorem		⊢
	proveit.numbers.numerals.decimals.nat1
28	theorem		⊢
	proveit.logic.sets.inclusion.superset_membership_from_proper_subset
29	theorem		⊢
	proveit.numbers.number_sets.integers.nat_within_int
30	theorem		⊢
	proveit.numbers.numerals.decimals.nat2