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Diffstat (limited to 'rules/hard_tit4tat.pl')
| -rw-r--r-- | rules/hard_tit4tat.pl | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/rules/hard_tit4tat.pl b/rules/hard_tit4tat.pl new file mode 100644 index 0000000..8efc124 --- /dev/null +++ b/rules/hard_tit4tat.pl @@ -0,0 +1,6 @@ +% Hard Tit for Tat: +% Cooperates unless the opponent has defected +% at least once in the last two rounds. + +hard_tit4tat([A,B|_],d,_,_):-(A=d;B=d),!. +hard_tit4tat(_,c,_,_). |