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, 6, 7, 8, 9	⊢
	: , : , : , : , : , :
1	theorem		⊢
	proveit.logic.booleans.conjunction.association
2	reference	17	⊢
3	reference	16	⊢
4	reference	11	⊢
5	reference	19	⊢
6	reference	13	⊢
7	instantiation	12, 17, 16, 19, 10, 14	⊢
	: , : , : , : , :
8	instantiation	12, 11, 14	⊢
	: , : , : , : , :
9	instantiation	12, 16, 17, 13, 19, 14	⊢
	: , : , : , : , :
10	instantiation	21	⊢
	: , :
11	theorem		⊢
	proveit.numbers.numerals.decimals.nat1
12	theorem		⊢
	proveit.logic.booleans.conjunction.each_is_bool
13	instantiation	21	⊢
	: , :
14	instantiation	15, 16, 17, 18, 19, 20	⊢
	: , : , : , : , :
15	theorem		⊢
	proveit.logic.booleans.disjunction.each_is_bool
16	theorem		⊢
	proveit.numbers.numerals.decimals.nat2
17	axiom		⊢
	proveit.numbers.number_sets.natural_numbers.zero_in_nats
18	instantiation	21	⊢
	: , :
19	theorem		⊢
	proveit.core_expr_types.tuples.tuple_len_0_typical_eq
20	instantiation	22, 23	⊢
	:
21	theorem		⊢
	proveit.numbers.numerals.decimals.tuple_len_2_typical_eq
22	theorem		⊢
	proveit.logic.booleans.in_bool_if_true
23	assumption		⊢