Set of real numbers: Difference between revisions
m
J: move the other instance of an (in) defn closer to where it's used
(J: removed defn of (in) - not using it) |
m (J: move the other instance of an (in) defn closer to where it's used) |
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Line 513:
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in=: 4 :'y has x'▼
union=: 4 :'(x has +. y has)ing; x edges y'
intersect=: 4 :'(x has *. y has)ing; x edges y'
without=: 4 :'(x has *. [: -. y has)ing; x edges y'
▲in=: 4 :'y has x'
isEmpty=: 1 -.@e. contour in ]</lang>
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