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	⊢
	:
1	theorem		⊢
	proveit.numbers.negation.nat_closure
2	instantiation	3, 4, 5	⊢
	:
3	theorem		⊢
	proveit.numbers.number_sets.integers.nonpos_int_is_int_nonpos
4	instantiation	6, 30, 28	⊢
	: , :
5	instantiation	7, 19, 18, 21, 8, 9*, 10*	⊢
	: , : , :
6	theorem		⊢
	proveit.numbers.addition.add_int_closure_bin
7	theorem		⊢
	proveit.numbers.addition.weak_bound_via_left_term_bound
8	instantiation	11, 39	⊢
	:
9	instantiation	12, 13, 14	⊢
	: , :
10	instantiation	15, 16, 17	⊢
	: , :
11	theorem		⊢
	proveit.numbers.number_sets.natural_numbers.natural_pos_lower_bound
12	theorem		⊢
	proveit.numbers.addition.commutation
13	instantiation	37, 20, 18	⊢
	: , : , :
14	instantiation	37, 20, 19	⊢
	: , : , :
15	theorem		⊢
	proveit.numbers.addition.subtraction.add_cancel_basic
16	instantiation	37, 20, 21	⊢
	: , : , :
17	instantiation	22	⊢
	:
18	instantiation	37, 24, 23	⊢
	: , : , :
19	instantiation	37, 24, 25	⊢
	: , : , :
20	theorem		⊢
	proveit.numbers.number_sets.complex_numbers.real_within_complex
21	instantiation	26, 27, 39	⊢
	: , : , :
22	axiom		⊢
	proveit.logic.equality.equals_reflexivity
23	instantiation	37, 29, 28	⊢
	: , : , :
24	theorem		⊢
	proveit.numbers.number_sets.real_numbers.rational_within_real
25	instantiation	37, 29, 30	⊢
	: , : , :
26	theorem		⊢
	proveit.logic.sets.inclusion.unfold_subset_eq
27	instantiation	31, 32	⊢
	: , :
28	instantiation	37, 33, 34	⊢
	: , : , :
29	theorem		⊢
	proveit.numbers.number_sets.rational_numbers.int_within_rational
30	instantiation	35, 36	⊢
	:
31	theorem		⊢
	proveit.logic.sets.inclusion.relax_proper_subset
32	theorem		⊢
	proveit.numbers.number_sets.real_numbers.nat_pos_within_real
33	theorem		⊢
	proveit.numbers.number_sets.integers.nat_within_int
34	theorem		⊢
	proveit.numbers.numerals.decimals.nat1
35	theorem		⊢
	proveit.numbers.negation.int_closure
36	instantiation	37, 38, 39	⊢
	: , : , :
37	theorem		⊢
	proveit.logic.sets.inclusion.superset_membership_from_proper_subset
38	theorem		⊢
	proveit.numbers.number_sets.integers.nat_pos_within_int
39	assumption		⊢
*equality replacement requirements