op(400, xfx, #). % infix operators set(knuth_bendix). clear(print_kept). clear(print_new_demod). clear(print_back_demod). clear(print_back_sub). assign(max_mem, 100000). assign(pick_given_ratio, 4). list(usable). x = x. end_of_list. list(sos). % Meredith axioms for BA in terms of Sheffer stroke. (x # x) # (y # x) = x. % Meredith-1 (x # (y # (x # z))) = (((z # y) # y) # x). % Meredith-2 list(sos). % Denial of single axiom (length 185, 8 variables) (((((X#Y)# (X# (Z#Y)))# (X# (X# ((U#V)# (V#V)))))# ((X# (X# ((X#Y)# (X# (Z#Y)))))# ((U#V)# (V#V))))# (V# (V# ((W# (V6# (V6# ((W# (V7# (V7#V7)))# ((V7# (V7#W))#V7)))))# ((V6# (V6#W))# ((W# (V7# (V7#V7)))# ((V7# (V7#W))#V7)))))))# ((V# (V# ((((X#Y)# (X# (Z#Y)))# (X# (X# ((U#V)# (V#V)))))# ((X# (X# ((X#Y)# (X# (Z#Y)))))# ((U#V)# (V#V))))))# ((W# (V6# (V6# ((W# (V7# (V7#V7)))# ((V7# (V7#W))#V7)))))# ((V6# (V6#W))# ((W# (V7# (V7#V7)))# ((V7# (V7#W))#V7))))) != W. end_of_list.