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*	⊢
	:
1	theorem		⊢
	proveit.numbers.numerals.decimals.md_only_nine_add_one
2	theorem		⊢
	proveit.numbers.numerals.decimals.posnat9
3	instantiation	8, 24, 25, 26, 5, 6, 7	⊢
	: , : , : , : , : , : , :
4	instantiation	8, 20, 25, 24, 9, 26, 10, 11, 12	⊢
	: , : , : , : , : , : , :
5	instantiation	29	⊢
	: , : , : , : , : , : , : , : , :
6	instantiation	15, 13, 17	⊢
	: , : , :
7	instantiation	18	⊢
	:
8	theorem		⊢
	proveit.numbers.numerals.decimals.deci_sequence_reduction_ER
9	instantiation	29	⊢
	: , : , : , : , : , : , : , : , :
10	instantiation	15, 14, 17	⊢
	: , : , :
11	instantiation	15, 16, 17	⊢
	: , : , :
12	instantiation	18	⊢
	:
13	instantiation	23, 25, 24, 19, 26	⊢
	: , : , : , : , :
14	instantiation	23, 20, 21, 22	⊢
	: , : , : , : , :
15	theorem		⊢
	proveit.logic.equality.sub_left_side_into
16	instantiation	23, 24, 25, 26, 27	⊢
	: , : , : , : , :
17	theorem		⊢
	proveit.numbers.numerals.decimals.N_leq_9_enumSet
18	theorem		⊢
	proveit.numbers.numerals.decimals.reduce_9_repeats
19	instantiation	29	⊢
	: , : , : , : , : , : , : , : , :
20	theorem		⊢
	proveit.numbers.numerals.decimals.nat1
21	theorem		⊢
	proveit.numbers.numerals.decimals.nat8
22	instantiation	28	⊢
	: , : , : , : , : , : , : , :
23	theorem		⊢
	proveit.logic.sets.enumeration.in_enumerated_set
24	axiom		⊢
	proveit.numbers.number_sets.natural_numbers.zero_in_nats
25	theorem		⊢
	proveit.numbers.numerals.decimals.nat9
26	theorem		⊢
	proveit.core_expr_types.tuples.tuple_len_0_typical_eq
27	instantiation	29	⊢
	: , : , : , : , : , : , : , : , :
28	theorem		⊢
	proveit.numbers.numerals.decimals.tuple_len_8_typical_eq
29	theorem		⊢
	proveit.numbers.numerals.decimals.tuple_len_9_typical_eq
*equality replacement requirements