RosettaCodeData/Task/Non-transitive-dice/Mathematica/non-transitive-dice.math

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ClearAll[DieFight]
DieFight[d1_List, d2_List] := Module[{sets},
sets = Tuples[{d1, d2}];
sets = sets[[All, 2]] - sets[[All, 1]];
Sign[Total[Sign[sets]]]
]
ds = DeleteDuplicates[Sort /@ Tuples[Range[4], 4]];
ssis = Subsets[Range[Length[ds]], {3}];
ssis //= Map[Permutations];
ssis //= Catenate;
ssis //= Select[DieFight[ds[[#[[1]]]], ds[[#[[2]]]]] == 1 &];
ssis //= Select[DieFight[ds[[#[[2]]]], ds[[#[[3]]]]] == 1 &];
ssis //= Select[DieFight[ds[[#[[1]]]], ds[[#[[3]]]]] == -1 &];
nontransitiveds = Map[ds[[#]] &, ssis, {2}];
Column[Row[{#1, "<", #2, " ; ", #2, "<", #3, " ; ", #1, ">", #3}] & @@@ nontransitiveds]
ssis = Subsets[Range[Length[ds]], {4}];
ssis //= Map[Permutations];
ssis //= Catenate;
ssis //= Select[DieFight[ds[[#[[1]]]], ds[[#[[2]]]]] == 1 &];
ssis //= Select[DieFight[ds[[#[[2]]]], ds[[#[[3]]]]] == 1 &];
ssis //= Select[DieFight[ds[[#[[3]]]], ds[[#[[4]]]]] == 1 &];
ssis //= Select[DieFight[ds[[#[[1]]]], ds[[#[[4]]]]] == -1 &];
nontransitiveds = Map[ds[[#]] &, ssis, {2}];
Column[Row[{#1, "<", #2, " ; ", #2, "<", #3, " ; ", #3, "<", #4, " ; ", #1, ">", #4}] & @@@ nontransitiveds]