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, 4, 5	⊢
	: , : , : , : , : , :
1	theorem		⊢
	proveit.core_expr_types.tuples.shift_equivalence
2	reference	40	⊢
3	instantiation	6, 7, 8	⊢
	:
4	instantiation	9, 10	⊢
	: , :
5	instantiation	11	⊢
	:
6	theorem		⊢
	proveit.numbers.number_sets.integers.nonneg_int_is_natural
7	instantiation	12, 13, 14	⊢
	: , :
8	instantiation	15, 16	⊢
	: , :
9	theorem		⊢
	proveit.logic.equality.equals_reversal
10	instantiation	17, 34, 33, 18	⊢
	: , : , :
11	axiom		⊢
	proveit.logic.equality.equals_reflexivity
12	theorem		⊢
	proveit.numbers.addition.add_int_closure_bin
13	instantiation	41, 19, 23	⊢
	: , : , :
14	instantiation	41, 20, 21	⊢
	: , : , :
15	theorem		⊢
	proveit.numbers.addition.subtraction.nonneg_difference
16	instantiation	22, 23	⊢
	:
17	theorem		⊢
	proveit.numbers.addition.subtraction.subtract_from_add
18	instantiation	24, 25, 26	⊢
	: , : , :
19	theorem		⊢
	proveit.numbers.number_sets.integers.nat_pos_within_int
20	theorem		⊢
	proveit.numbers.number_sets.integers.neg_int_within_int
21	instantiation	27, 30	⊢
	:
22	theorem		⊢
	proveit.numbers.number_sets.natural_numbers.natural_pos_lower_bound
23	instantiation	28, 29, 30	⊢
	: , :
24	theorem		⊢
	proveit.logic.equality.sub_right_side_into
25	instantiation	31, 33	⊢
	:
26	instantiation	32, 33, 34	⊢
	: , :
27	theorem		⊢
	proveit.numbers.negation.int_neg_closure
28	theorem		⊢
	proveit.numbers.addition.add_nat_pos_closure_bin
29	assumption		⊢
30	theorem		⊢
	proveit.numbers.numerals.decimals.posnat1
31	theorem		⊢
	proveit.numbers.addition.elim_zero_right
32	theorem		⊢
	proveit.numbers.addition.commutation
33	instantiation	41, 35, 36	⊢
	: , : , :
34	theorem		⊢
	proveit.numbers.number_sets.complex_numbers.zero_is_complex
35	theorem		⊢
	proveit.numbers.number_sets.complex_numbers.real_within_complex
36	instantiation	41, 37, 38	⊢
	: , : , :
37	theorem		⊢
	proveit.numbers.number_sets.real_numbers.rational_within_real
38	instantiation	41, 39, 40	⊢
	: , : , :
39	theorem		⊢
	proveit.numbers.number_sets.rational_numbers.int_within_rational
40	instantiation	41, 42, 43	⊢
	: , : , :
41	theorem		⊢
	proveit.logic.sets.inclusion.superset_membership_from_proper_subset
42	theorem		⊢
	proveit.numbers.number_sets.integers.nat_within_int
43	theorem		⊢
	proveit.numbers.numerals.decimals.nat1