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	axiom		⊢
	proveit.logic.equality.equals_transitivity
2	instantiation	4, 5	⊢
	: , : , :
3	theorem		⊢
	proveit.numbers.numerals.decimals.add_1_3
4	axiom		⊢
	proveit.logic.equality.substitution
5	instantiation	6, 7, 8, 9, 10	⊢
	: , : , :
6	theorem		⊢
	proveit.numbers.addition.subtraction.subtract_from_add
7	instantiation	25, 13, 11	⊢
	: , : , :
8	instantiation	25, 13, 12	⊢
	: , : , :
9	instantiation	25, 13, 14	⊢
	: , : , :
10	theorem		⊢
	proveit.numbers.numerals.decimals.add_3_1
11	instantiation	25, 17, 15	⊢
	: , : , :
12	instantiation	25, 17, 16	⊢
	: , : , :
13	theorem		⊢
	proveit.numbers.number_sets.complex_numbers.real_within_complex
14	instantiation	25, 17, 18	⊢
	: , : , :
15	instantiation	25, 21, 19	⊢
	: , : , :
16	instantiation	25, 21, 20	⊢
	: , : , :
17	theorem		⊢
	proveit.numbers.number_sets.real_numbers.rational_within_real
18	instantiation	25, 21, 22	⊢
	: , : , :
19	instantiation	25, 26, 23	⊢
	: , : , :
20	instantiation	25, 26, 24	⊢
	: , : , :
21	theorem		⊢
	proveit.numbers.number_sets.rational_numbers.int_within_rational
22	instantiation	25, 26, 27	⊢
	: , : , :
23	theorem		⊢
	proveit.numbers.numerals.decimals.nat3
24	theorem		⊢
	proveit.numbers.numerals.decimals.nat1
25	theorem		⊢
	proveit.logic.sets.inclusion.superset_membership_from_proper_subset
26	theorem		⊢
	proveit.numbers.number_sets.integers.nat_within_int
27	theorem		⊢
	proveit.numbers.numerals.decimals.nat4