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