proveit.core_expr_types.conditionals.condition_prepend_reduction proveit.logic.booleans.forall_over_bool_by_cases proveit.logic.booleans.quantification.universality.bundle proveit.logic.equality.equals_reversal proveit.numbers.numerals.decimals.nat2 proveit.numbers.numerals.decimals.posnat1 proveit.numbers.numerals.decimals.tuple_len_2_typical_eq proveit.logic.booleans.conditioned_forall_over_bool_by_cases proveit.logic.booleans.false_eq_false proveit.logic.booleans.implication.false_iff_true_negated proveit.logic.booleans.implication.falsified_antecedent_implication proveit.logic.booleans.implication.true_iff_false_negated proveit.logic.booleans.true_eq_true