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.logic.booleans.disjunction.binary_closure
2	instantiation	4, 5	, ,  ⊢
	:
3	instantiation	6, 25, 8, 10, 9, 11	,  ⊢
	: , : , : , : , :
4	assumption		⊢
5	instantiation	7, 8, 25, 23, 9, 10, 11	,  ⊢
	: , : , : , : , : , :
6	theorem		⊢
	proveit.logic.booleans.conjunction.any_from_and
7	theorem		⊢
	proveit.logic.booleans.conjunction.some_from_and
8	axiom		⊢
	proveit.numbers.number_sets.natural_numbers.zero_in_nats
9	theorem		⊢
	proveit.core_expr_types.tuples.tuple_len_0_typical_eq
10	instantiation	17, 25	⊢
	: , :
11	instantiation	12, 18, 13, 14, 15, 16	,  ⊢
	: , : , : , :
12	theorem		⊢
	proveit.logic.equality.sub_in_right_operands_via_tuple
13	instantiation	17, 18	⊢
	: , :
14	instantiation	19, 25	⊢
	: , : , :
15	assumption		⊢
16	instantiation	20, 21	⊢
	: , : , :
17	theorem		⊢
	proveit.core_expr_types.tuples.range_from1_len_typical_eq
18	instantiation	22, 25, 23	⊢
	: , :
19	theorem		⊢
	proveit.core_expr_types.tuples.extended_range_from1_len_typical_eq
20	axiom		⊢
	proveit.core_expr_types.tuples.range_extension_def
21	instantiation	24, 25	⊢
	: , :
22	theorem		⊢
	proveit.numbers.addition.add_nat_closure_bin
23	theorem		⊢
	proveit.numbers.numerals.decimals.nat1
24	theorem		⊢
	proveit.core_expr_types.tuples.range_from1_len_is_nat
25	instantiation	26, 27, 28	⊢
	: , : , :
26	theorem		⊢
	proveit.logic.sets.inclusion.superset_membership_from_proper_subset
27	theorem		⊢
	proveit.numbers.number_sets.natural_numbers.nat_pos_within_nat
28	assumption		⊢