| | step type | requirements | statement |
| 0 | instantiation | 1, 2, 3, 4* | ⊢  |
| | : , : , :  |
| 1 | theorem | | ⊢  |
| | proveit.logic.sets.enumeration.nonmembership_equiv |
| 2 | reference | 91 | ⊢  |
| 3 | reference | 34 | ⊢  |
| 4 | instantiation | 45, 5, 6 | ⊢  |
| | : , : , :  |
| 5 | instantiation | 7, 91, 8, 18, 9, 10, 11 | ⊢  |
| | : , : , : , :  |
| 6 | instantiation | 21, 12 | ⊢  |
| | :  |
| 7 | axiom | | ⊢  |
| | proveit.core_expr_types.operations.operands_substitution |
| 8 | instantiation | 48 | ⊢  |
| | : , : , :  |
| 9 | instantiation | 15, 13* | ⊢  |
| | : , :  |
| 10 | instantiation | 15, 14* | ⊢  |
| | : , :  |
| 11 | instantiation | 15, 16* | ⊢  |
| | : , :  |
| 12 | instantiation | 17, 91, 18, 19 | ⊢  |
| | : , :  |
| 13 | instantiation | 45, 20, 24 | ⊢  |
| | : , : , :  |
| 14 | instantiation | 21, 22 | ⊢  |
| | :  |
| 15 | axiom | | ⊢  |
| | proveit.logic.equality.not_equals_def |
| 16 | instantiation | 45, 23, 24 | ⊢  |
| | : , : , :  |
| 17 | theorem | | ⊢  |
| | proveit.logic.booleans.conjunction.and_if_all |
| 18 | instantiation | 48 | ⊢  |
| | : , : , :  |
| 19 | axiom | | ⊢  |
| | proveit.logic.booleans.true_axiom |
| 20 | instantiation | 54, 25 | ⊢  |
| | : , : , :  |
| 21 | axiom | | ⊢  |
| | proveit.logic.booleans.eq_true_intro |
| 22 | instantiation | 36, 26 | ⊢  |
| | : , :  |
| 23 | instantiation | 54, 27 | ⊢  |
| | : , : , :  |
| 24 | axiom | | ⊢  |
| | proveit.logic.booleans.negation.not_f |
| 25 | instantiation | 31, 28 | ⊢  |
| | :  |
| 26 | instantiation | 29, 92, 30 | ⊢  |
| | : , : , : , : , :  |
| 27 | instantiation | 31, 32 | ⊢  |
| | :  |
| 28 | instantiation | 36, 42 | ⊢  |
| | : , :  |
| 29 | theorem | | ⊢  |
| | proveit.logic.booleans.conjunction.any_from_and |
| 30 | instantiation | 33, 91, 34, 35 | ⊢  |
| | : , : , :  |
| 31 | axiom | | ⊢  |
| | proveit.logic.booleans.negation.negation_elim |
| 32 | instantiation | 36, 43 | ⊢  |
| | : , :  |
| 33 | theorem | | ⊢  |
| | proveit.logic.sets.enumeration.nonmembership_unfold |
| 34 | instantiation | 48 | ⊢  |
| | : , : , :  |
| 35 | instantiation | 37, 38, 39 | ⊢  |
| | : , : , :  |
| 36 | theorem | | ⊢  |
| | proveit.logic.equality.unfold_not_equals |
| 37 | theorem | | ⊢  |
| | proveit.logic.equality.sub_left_side_into |
| 38 | instantiation | 40, 91, 41, 42, 43, 44 | ⊢  |
| | : , : , :  |
| 39 | instantiation | 45, 46, 47 | ⊢  |
| | : , : , :  |
| 40 | theorem | | ⊢  |
| | proveit.logic.sets.enumeration.nonmembership_fold |
| 41 | instantiation | 48 | ⊢  |
| | : , : , :  |
| 42 | instantiation | 49, 50 | ⊢  |
| | : , :  |
| 43 | instantiation | 59, 95, 91, 51 | ⊢  |
| | : , :  |
| 44 | instantiation | 59, 95, 52, 53 | ⊢  |
| | : , :  |
| 45 | axiom | | ⊢  |
| | proveit.logic.equality.equals_transitivity |
| 46 | instantiation | 54, 55 | ⊢  |
| | : , : , :  |
| 47 | instantiation | 56, 92, 57, 58 | ⊢  |
| | : , : , : , : , : , : , :  |
| 48 | theorem | | ⊢  |
| | proveit.numbers.numerals.decimals.tuple_len_3_typical_eq |
| 49 | theorem | | ⊢  |
| | proveit.logic.equality.not_equals_symmetry |
| 50 | instantiation | 59, 92, 95, 60 | ⊢  |
| | : , :  |
| 51 | theorem | | ⊢  |
| | proveit.numbers.numerals.decimals.less_2_3 |
| 52 | theorem | | ⊢  |
| | proveit.numbers.numerals.decimals.nat4 |
| 53 | instantiation | 61, 82, 62, 63, 64*, 65* | ⊢  |
| | : , : , :  |
| 54 | axiom | | ⊢  |
| | proveit.logic.equality.substitution |
| 55 | instantiation | 70, 66, 67 | ⊢  |
| | : , : , :  |
| 56 | theorem | | ⊢  |
| | proveit.logic.sets.enumeration.leftward_permutation |
| 57 | axiom | | ⊢  |
| | proveit.numbers.number_sets.natural_numbers.zero_in_nats |
| 58 | theorem | | ⊢  |
| | proveit.core_expr_types.tuples.tuple_len_0_typical_eq |
| 59 | theorem | | ⊢  |
| | proveit.numbers.ordering.less_is_not_eq_nat |
| 60 | theorem | | ⊢  |
| | proveit.numbers.numerals.decimals.less_1_2 |
| 61 | theorem | | ⊢  |
| | proveit.numbers.addition.strong_bound_via_left_term_bound |
| 62 | theorem | | ⊢  |
| | proveit.numbers.number_sets.real_numbers.zero_is_real |
| 63 | instantiation | 68, 69 | ⊢  |
| | :  |
| 64 | instantiation | 70, 71, 72 | ⊢  |
| | : , : , :  |
| 65 | theorem | | ⊢  |
| | proveit.numbers.numerals.decimals.add_2_2 |
| 66 | theorem | | ⊢  |
| | proveit.numbers.numerals.decimals.add_3_1 |
| 67 | instantiation | 76, 73, 74 | ⊢  |
| | : , :  |
| 68 | theorem | | ⊢  |
| | proveit.numbers.number_sets.natural_numbers.natural_pos_is_pos |
| 69 | theorem | | ⊢  |
| | proveit.numbers.numerals.decimals.posnat2 |
| 70 | theorem | | ⊢  |
| | proveit.logic.equality.sub_right_side_into |
| 71 | instantiation | 75, 77 | ⊢  |
| | :  |
| 72 | instantiation | 76, 77, 78 | ⊢  |
| | : , :  |
| 73 | instantiation | 93, 81, 79 | ⊢  |
| | : , : , :  |
| 74 | instantiation | 93, 81, 80 | ⊢  |
| | : , : , :  |
| 75 | theorem | | ⊢  |
| | proveit.numbers.addition.elim_zero_right |
| 76 | theorem | | ⊢  |
| | proveit.numbers.addition.commutation |
| 77 | instantiation | 93, 81, 82 | ⊢  |
| | : , : , :  |
| 78 | theorem | | ⊢  |
| | proveit.numbers.number_sets.complex_numbers.zero_is_complex |
| 79 | instantiation | 93, 85, 83 | ⊢  |
| | : , : , :  |
| 80 | instantiation | 93, 85, 84 | ⊢  |
| | : , : , :  |
| 81 | theorem | | ⊢  |
| | proveit.numbers.number_sets.complex_numbers.real_within_complex |
| 82 | instantiation | 93, 85, 86 | ⊢  |
| | : , : , :  |
| 83 | instantiation | 93, 89, 87 | ⊢  |
| | : , : , :  |
| 84 | instantiation | 93, 89, 88 | ⊢  |
| | : , : , :  |
| 85 | theorem | | ⊢  |
| | proveit.numbers.number_sets.real_numbers.rational_within_real |
| 86 | instantiation | 93, 89, 90 | ⊢  |
| | : , : , :  |
| 87 | instantiation | 93, 94, 91 | ⊢  |
| | : , : , :  |
| 88 | instantiation | 93, 94, 92 | ⊢  |
| | : , : , :  |
| 89 | theorem | | ⊢  |
| | proveit.numbers.number_sets.rational_numbers.int_within_rational |
| 90 | instantiation | 93, 94, 95 | ⊢  |
| | : , : , :  |
| 91 | theorem | | ⊢  |
| | proveit.numbers.numerals.decimals.nat3 |
| 92 | theorem | | ⊢  |
| | proveit.numbers.numerals.decimals.nat1 |
| 93 | theorem | | ⊢  |
| | proveit.logic.sets.inclusion.superset_membership_from_proper_subset |
| 94 | theorem | | ⊢  |
| | proveit.numbers.number_sets.integers.nat_within_int |
| 95 | theorem | | ⊢  |
| | proveit.numbers.numerals.decimals.nat2 |
| *equality replacement requirements |