Sophie: Macaulay2-1.3.1-8.fc15 i686

Macaulay2-1.3.1-8.fc15.i686.rpm

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-- -*- M2-comint -*- {* hash: 67786877 *}

i1 : P = poset ({a,b,c,d,e}, {(a,d),(b,d),(b,e),(c,e)});

i2 : joinExists (P,d,e)

o2 = false

i3 : joinExists(P,a,b)

o3 = true

i4 :