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.numbers.addition.subtraction.subtract_from_add
2	instantiation	20, 8, 6	⊢
	: , : , :
3	instantiation	20, 8, 7	⊢
	: , : , :
4	instantiation	20, 8, 9	⊢
	: , : , :
5	theorem		⊢
	proveit.numbers.numerals.decimals.add_4_2
6	instantiation	20, 12, 10	⊢
	: , : , :
7	instantiation	20, 12, 11	⊢
	: , : , :
8	theorem		⊢
	proveit.numbers.number_sets.complex_numbers.real_within_complex
9	instantiation	20, 12, 13	⊢
	: , : , :
10	instantiation	20, 16, 14	⊢
	: , : , :
11	instantiation	20, 16, 15	⊢
	: , : , :
12	theorem		⊢
	proveit.numbers.number_sets.real_numbers.rational_within_real
13	instantiation	20, 16, 17	⊢
	: , : , :
14	instantiation	20, 21, 18	⊢
	: , : , :
15	instantiation	20, 21, 19	⊢
	: , : , :
16	theorem		⊢
	proveit.numbers.number_sets.rational_numbers.int_within_rational
17	instantiation	20, 21, 22	⊢
	: , : , :
18	theorem		⊢
	proveit.numbers.numerals.decimals.nat4
19	theorem		⊢
	proveit.numbers.numerals.decimals.nat2
20	theorem		⊢
	proveit.logic.sets.inclusion.superset_membership_from_proper_subset
21	theorem		⊢
	proveit.numbers.number_sets.integers.nat_within_int
22	theorem		⊢
	proveit.numbers.numerals.decimals.nat6