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.
Hygienic expanded first-order definition
forall ff_index_be_transport ff_digit_be_transport. (exists ff_lt_be_transport_bound. ff_lt_be_transport_bound + S ff_index_be_transport = n) -> (((exists ff_h_be_transport_digit. ff_h_be_transport_digit + S (ff_digit_be_transport) = S ((S (ff_index_be_transport)) * s)) /\ exists ff_q_be_transport_digit. d = ff_q_be_transport_digit * S ((S (ff_index_be_transport)) * s) + (ff_digit_be_transport))) -> (ff_digit_be_transport = 0 \/ ff_digit_be_transport = 1)The unchanged native kernel never receives this surface symbol. Binder-safe expansion produces only its existing first-order syntax.
Direct definition dependencies
Definitions depending on this notation
none