24 lines
342 B
Text
24 lines
342 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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label("A",z0);
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label("B",z1);
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label("B",z2);
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label("C",z3);
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drawEdge(z0,z1,"f");
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drawEdge(z1,z2,"g");
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path ac,ab;
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drawEdge(z2,z3,"h");
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ac:=edge(z1,z3);
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drawarrow ac;
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label.rt(btex $h \circ g$ etex,midpoint(ac));
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ab:=edge(z0,z2);
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drawarrow ab;
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label.lft(btex $g \circ f$ etex,midpoint(ab));
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