architecture LGATES of GTCOMP is
signal A1, A2, A3 : bit;
begin
A1 <= A(0) and not B(0) and not B(1);
A2 <= A(0) and not B(0) and A(1);
A3 <= A(1) and not B(1);
AGTB <= A1 or A2 or A3;
end LGATES;

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