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% File     : COL040-1 : TPTP v8.2.0. Released v1.0.0.
% Domain   : Combinatory Logic
% Problem  : Strong fixed point for B and N
% Version  : [WM88] (equality) axioms.
% English  : The strong fixed point property holds for the set
%            P consisting of the combinators B and N, where ((Bx)y)z
%            = x(yz), ((Nx)y)z = ((xz)y)z.

% Refs     : [Smu85] Smullyan (1978), To Mock a Mocking Bird and Other Logi
%          : [MW87]  McCune & Wos (1987), A Case Study in Automated Theorem
%          : [WM88]  Wos & McCune (1988), Challenge Problems Focusing on Eq
%          : [MW88]  McCune & Wos (1988), Some Fixed Point Problems in Comb
%          : [LW92]  Lusk & Wos (1992), Benchmark Problems in Which Equalit
%          : [Wos93] Wos (1993), The Kernel Strategy and Its Use for the St
% Source   : [MW88]
% Names    : - [MW88]
%          : CL3 [LW92]
%          : Question 5 [Wos93]

% Status   : Unsatisfiable
% Rating   : ? v2.0.0
% Syntax   :

% Comments :
% Bugfixes : v2.0.0 - Removed. Same as COL044-1.
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