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<source>cl_ql.out</source>

<heading><![CDATA[
Mace4 (32) version 22-May-2007, May 2007.
Process 26993 was started by mccune on cleo,
Tue May 22 14:44:33 2007
The command was "/home/mccune/bin/mace4 -f cl_ql.in".
]]></heading>

<input><![CDATA[
formulas(assumptions).
a(a(L,x),y) = a(x,a(y,y)).
a(a(a(Q,x),y),z) = a(y,a(x,z)).
end_of_list.

formulas(goals).
(exists Q all x a(Q,x) = a(x,a(Q,x))) # label(fixed_point_combinator).
end_of_list.
]]></input>

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