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Show the Proof

In [1]:
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
Out[1]:
 step typerequirementsstatement
0instantiation1, 2, 3, 4  ⊢  
  : , : , : , :
1theorem  ⊢  
 proveit.logic.equality.four_chain_transitivity
2instantiation5, 24, 23, 26, 25, 6, 13, 14, 10, 11  ⊢  
  : , : , : , : , : , :
3instantiation7, 24, 20, 26, 8, 10, 11  ⊢  
  : , : , : , : , : , : , :
4instantiation9, 20, 23, 25, 10, 13, 14, 11  ⊢  
  : , : , : , : , : , :
5theorem  ⊢  
 proveit.logic.booleans.disjunction.association
6instantiation28  ⊢  
  : , :
7theorem  ⊢  
 proveit.logic.booleans.disjunction.rightward_commutation
8instantiation12, 13, 14  ⊢  
  : , :
9theorem  ⊢  
 proveit.logic.booleans.disjunction.disassociation
10instantiation15, 23, 20, 25, 18  ⊢  
  : , : , : , : , :
11instantiation15, 16, 24, 17, 26, 18  ⊢  
  : , : , : , : , :
12theorem  ⊢  
 proveit.logic.booleans.disjunction.binary_closure
13instantiation22, 24, 23, 26, 19, 27  ⊢  
  : , : , : , : , :
14instantiation22, 20, 27  ⊢  
  : , : , : , : , :
15theorem  ⊢  
 proveit.logic.booleans.disjunction.each_is_bool
16theorem  ⊢  
 proveit.numbers.numerals.decimals.nat3
17instantiation21  ⊢  
  : , : , :
18instantiation22, 23, 24, 25, 26, 27  ⊢  
  : , : , : , : , :
19instantiation28  ⊢  
  : , :
20theorem  ⊢  
 proveit.numbers.numerals.decimals.nat1
21theorem  ⊢  
 proveit.numbers.numerals.decimals.tuple_len_3_typical_eq
22theorem  ⊢  
 proveit.logic.booleans.conjunction.each_is_bool
23theorem  ⊢  
 proveit.numbers.numerals.decimals.nat2
24axiom  ⊢  
 proveit.numbers.number_sets.natural_numbers.zero_in_nats
25instantiation28  ⊢  
  : , :
26theorem  ⊢  
 proveit.core_expr_types.tuples.tuple_len_0_typical_eq
27instantiation29, 30  ⊢  
  :
28theorem  ⊢  
 proveit.numbers.numerals.decimals.tuple_len_2_typical_eq
29theorem  ⊢  
 proveit.logic.booleans.in_bool_if_true
30assumption  ⊢