21 lines
365 B
Text
21 lines
365 B
Text
z0=(0,0);
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z1=(gu,0);
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z2=(0,-gu);
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z3=(gu,-gu);
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path ac,ab;
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label(btex $F X$ etex,z0);
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label(btex $F Y$ etex,z1);
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label(btex $G X$ etex,z2);
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label(btex $G Y$ etex,z3);
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drawEdge(z0,z1,"F f");
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drawEdge(z2,z3,"G f");
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ab:=edge(z0,z2);
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drawarrow ab;
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label.lft(btex $\eta_X$ etex,midpoint(ab));
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ac:=edge(z1,z3);
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drawarrow ac;
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label.rt(btex $\eta_Y$ etex,midpoint(ac));
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