Another Binary Relation Implementation
l
With each first element of some pair, give the list
of second elements to which the first element is
related:
l
[[ÒAÓ,
[ÒAÓ, ÒABÓ]],
[ÒBÓ,
[ÒBÓ, ÒABÓ],
[ÒABÓ, [ÒABÓ]],
[ÒOÓ,
[ÒOÓ, ÒAÓ, ÒBÓ, ÒABÓ]]
l
Compare the two representations.