Current library: Alpha v34, 4,223 checked-use theorems; Stable remains 432. Historical first admissions, original proof editions, and non-admitted aliases are preserved. Exact original first-admission records.
Readable signature
Range(b,c,a,l)Exact expansion
forall ff_i_defined_range. (exists ff_lt_defined_range_bound. ff_lt_defined_range_bound + S ff_i_defined_range = l) -> (((exists ff_h_defined_range_decoded. ff_h_defined_range_decoded + S (a + ff_i_defined_range) = S ((S (ff_i_defined_range)) * c)) /\ exists ff_q_defined_range_decoded. b = ff_q_defined_range_decoded * S ((S (ff_i_defined_range)) * c) + (a + ff_i_defined_range)))This node is conservative notation, not a theorem, new axiom, predicate constant, or kernel rule. Its expansion is checked for exact first-order AST equivalence.