| | step type | requirements | statement |
| 0 | instantiation | 1, 2, 3 | ⊢  |
| | : , : , :  |
| 1 | reference | 44 | ⊢  |
| 2 | instantiation | 56, 4 | ⊢  |
| | : , : , :  |
| 3 | instantiation | 13, 76, 59, 78, 5, 60, 6, 87, 7* | ⊢  |
| | : , : , : , : , : , :  |
| 4 | theorem | | ⊢  |
| | proveit.numbers.numerals.decimals.add_5_4 |
| 5 | instantiation | 69 | ⊢  |
| | : , :  |
| 6 | instantiation | 95, 89, 8 | ⊢  |
| | : , : , :  |
| 7 | instantiation | 44, 9, 10 | ⊢  |
| | : , : , :  |
| 8 | instantiation | 95, 91, 11 | ⊢  |
| | : , : , :  |
| 9 | instantiation | 56, 12 | ⊢  |
| | : , : , :  |
| 10 | instantiation | 13, 76, 59, 97, 78, 14, 15, 87, 16* | ⊢  |
| | : , : , : , : , : , :  |
| 11 | instantiation | 95, 93, 17 | ⊢  |
| | : , : , :  |
| 12 | theorem | | ⊢  |
| | proveit.numbers.numerals.decimals.add_9_1 |
| 13 | theorem | | ⊢  |
| | proveit.numbers.addition.association |
| 14 | instantiation | 69 | ⊢  |
| | : , :  |
| 15 | instantiation | 95, 89, 18 | ⊢  |
| | : , : , :  |
| 16 | instantiation | 44, 19, 20 | ⊢  |
| | : , : , :  |
| 17 | instantiation | 95, 96, 77 | ⊢  |
| | : , : , :  |
| 18 | instantiation | 95, 91, 21 | ⊢  |
| | : , : , :  |
| 19 | instantiation | 56, 22 | ⊢  |
| | : , : , :  |
| 20 | instantiation | 27, 97, 76, 53, 23, 24*, 25* | ⊢  |
| | : , : , : , :  |
| 21 | instantiation | 95, 93, 26 | ⊢  |
| | : , : , :  |
| 22 | instantiation | 27, 97, 76, 53, 54, 28, 29*, 30* | ⊢  |
| | : , : , : , :  |
| 23 | instantiation | 31, 90, 32, 33, 34, 72*, 35* | ⊢  |
| | : , : , :  |
| 24 | instantiation | 58, 59, 76, 60, 42, 78, 43 | ⊢  |
| | : , : , : , : , : , : , :  |
| 25 | instantiation | 44, 36, 37 | ⊢  |
| | : , : , :  |
| 26 | instantiation | 95, 38, 39 | ⊢  |
| | : , : , :  |
| 27 | theorem | | ⊢  |
| | proveit.numbers.numerals.decimals.md_nine_add_one |
| 28 | instantiation | 48, 40 | ⊢  |
| | :  |
| 29 | instantiation | 58, 59, 76, 41, 42, 78, 43 | ⊢  |
| | : , : , : , : , : , : , :  |
| 30 | instantiation | 44, 45, 46 | ⊢  |
| | : , : , :  |
| 31 | theorem | | ⊢  |
| | proveit.numbers.addition.strong_bound_via_left_term_bound |
| 32 | theorem | | ⊢  |
| | proveit.numbers.number_sets.real_numbers.zero_is_real |
| 33 | instantiation | 95, 91, 47 | ⊢  |
| | : , : , :  |
| 34 | instantiation | 48, 49 | ⊢  |
| | :  |
| 35 | theorem | | ⊢  |
| | proveit.numbers.numerals.decimals.add_8_1 |
| 36 | instantiation | 56, 50 | ⊢  |
| | : , : , :  |
| 37 | instantiation | 58, 59, 76, 51, 61, 78, 62 | ⊢  |
| | : , : , : , : , : , : , :  |
| 38 | theorem | | ⊢  |
| | proveit.numbers.number_sets.integers.nat_pos_within_int |
| 39 | instantiation | 52, 97, 53, 54, 55 | ⊢  |
| | : , : , :  |
| 40 | theorem | | ⊢  |
| | proveit.numbers.numerals.decimals.posnat9 |
| 41 | instantiation | 69 | ⊢  |
| | : , :  |
| 42 | instantiation | 70, 76 | ⊢  |
| | : , :  |
| 43 | instantiation | 71, 72 | ⊢  |
| | : , : , :  |
| 44 | axiom | | ⊢  |
| | proveit.logic.equality.equals_transitivity |
| 45 | instantiation | 56, 57 | ⊢  |
| | : , : , :  |
| 46 | instantiation | 58, 59, 76, 60, 61, 78, 62 | ⊢  |
| | : , : , : , : , : , : , :  |
| 47 | instantiation | 95, 93, 63 | ⊢  |
| | : , : , :  |
| 48 | theorem | | ⊢  |
| | proveit.numbers.number_sets.natural_numbers.natural_pos_is_pos |
| 49 | theorem | | ⊢  |
| | proveit.numbers.numerals.decimals.posnat8 |
| 50 | theorem | | ⊢  |
| | proveit.numbers.numerals.decimals.add_1_1 |
| 51 | instantiation | 69 | ⊢  |
| | : , :  |
| 52 | theorem | | ⊢  |
| | proveit.numbers.numerals.decimals.deci_sequence_is_nat_pos |
| 53 | instantiation | 65, 64, 67 | ⊢  |
| | : , : , :  |
| 54 | instantiation | 65, 66, 67 | ⊢  |
| | : , : , :  |
| 55 | theorem | | ⊢  |
| | proveit.numbers.numerals.decimals.less_0_1 |
| 56 | axiom | | ⊢  |
| | proveit.logic.equality.substitution |
| 57 | instantiation | 68, 87 | ⊢  |
| | :  |
| 58 | theorem | | ⊢  |
| | proveit.core_expr_types.tuples.tuple_portion_substitution |
| 59 | theorem | | ⊢  |
| | proveit.numbers.numerals.decimals.nat2 |
| 60 | instantiation | 69 | ⊢  |
| | : , :  |
| 61 | instantiation | 70, 76 | ⊢  |
| | : , :  |
| 62 | instantiation | 71, 72 | ⊢  |
| | : , : , :  |
| 63 | instantiation | 95, 96, 73 | ⊢  |
| | : , : , :  |
| 64 | instantiation | 75, 97, 73, 74 | ⊢  |
| | : , : , : , : , :  |
| 65 | theorem | | ⊢  |
| | proveit.logic.equality.sub_left_side_into |
| 66 | instantiation | 75, 76, 77, 78, 79 | ⊢  |
| | : , : , : , : , :  |
| 67 | theorem | | ⊢  |
| | proveit.numbers.numerals.decimals.N_leq_9_enumSet |
| 68 | theorem | | ⊢  |
| | proveit.numbers.addition.elim_zero_left |
| 69 | theorem | | ⊢  |
| | proveit.numbers.numerals.decimals.tuple_len_2_typical_eq |
| 70 | theorem | | ⊢  |
| | proveit.core_expr_types.tuples.range_from1_len_typical_eq |
| 71 | axiom | | ⊢  |
| | proveit.core_expr_types.tuples.empty_range_def |
| 72 | instantiation | 80, 81, 82 | ⊢  |
| | : , : , :  |
| 73 | theorem | | ⊢  |
| | proveit.numbers.numerals.decimals.nat8 |
| 74 | instantiation | 83 | ⊢  |
| | : , : , : , : , : , : , : , :  |
| 75 | theorem | | ⊢  |
| | proveit.logic.sets.enumeration.in_enumerated_set |
| 76 | axiom | | ⊢  |
| | proveit.numbers.number_sets.natural_numbers.zero_in_nats |
| 77 | theorem | | ⊢  |
| | proveit.numbers.numerals.decimals.nat9 |
| 78 | theorem | | ⊢  |
| | proveit.core_expr_types.tuples.tuple_len_0_typical_eq |
| 79 | instantiation | 84 | ⊢  |
| | : , : , : , : , : , : , : , : , :  |
| 80 | theorem | | ⊢  |
| | proveit.logic.equality.sub_right_side_into |
| 81 | instantiation | 85, 87 | ⊢  |
| | :  |
| 82 | instantiation | 86, 87, 88 | ⊢  |
| | : , :  |
| 83 | theorem | | ⊢  |
| | proveit.numbers.numerals.decimals.tuple_len_8_typical_eq |
| 84 | theorem | | ⊢  |
| | proveit.numbers.numerals.decimals.tuple_len_9_typical_eq |
| 85 | theorem | | ⊢  |
| | proveit.numbers.addition.elim_zero_right |
| 86 | theorem | | ⊢  |
| | proveit.numbers.addition.commutation |
| 87 | instantiation | 95, 89, 90 | ⊢  |
| | : , : , :  |
| 88 | theorem | | ⊢  |
| | proveit.numbers.number_sets.complex_numbers.zero_is_complex |
| 89 | theorem | | ⊢  |
| | proveit.numbers.number_sets.complex_numbers.real_within_complex |
| 90 | instantiation | 95, 91, 92 | ⊢  |
| | : , : , :  |
| 91 | theorem | | ⊢  |
| | proveit.numbers.number_sets.real_numbers.rational_within_real |
| 92 | instantiation | 95, 93, 94 | ⊢  |
| | : , : , :  |
| 93 | theorem | | ⊢  |
| | proveit.numbers.number_sets.rational_numbers.int_within_rational |
| 94 | instantiation | 95, 96, 97 | ⊢  |
| | : , : , :  |
| 95 | theorem | | ⊢  |
| | proveit.logic.sets.inclusion.superset_membership_from_proper_subset |
| 96 | theorem | | ⊢  |
| | proveit.numbers.number_sets.integers.nat_within_int |
| 97 | theorem | | ⊢  |
| | proveit.numbers.numerals.decimals.nat1 |
| *equality replacement requirements |