Tic Tac Toe

Click in a clear square
to mark that square.

Player: x

x	o
0	0

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%%% Game Rules
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index(1)
index(2)
index(3)

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%%% operations
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click(mark(M,N)) :: control(P)  ==> cell(M,N,P) & ~cell(M,N,b)
click(mark(M,N)) :: control(x) ==> ~control(x) & control(o)
click(mark(M,N)) :: control(o) ==> ~control(o) & control(x)

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%%% goal
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goal(white,100) :- line(x) & ~line(o)
goal(white,50) :- line(x) & line(o)
goal(white,50) :- ~line(x) & ~line(o)
goal(white,0) :- ~line(x) & line(o)
goal(black,100) :- ~line(x) & line(o)
goal(black,50) :- line(x) & line(o)
goal(black,50) :- ~line(x) & ~line(o)
goal(black,0) :- line(x) & ~line(o)

row(M,X) :- cell(M,1,X) & cell(M,2,X) & cell(M,3,X)
col(N,X) :- cell(1,N,X) & cell(2,N,X) & cell(3,N,X)
diag(X) :- cell(1,1,X) & cell(2,2,X) & cell(3,3,X)
diag(X) :- cell(1,3,X) & cell(2,2,X) & cell(3,1,X)

line(X) :- row(M,X)
line(X) :- col(N,X)
line(X) :- diag(X)

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%%% terminal
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terminal :- line(x)
terminal :- line(o)
terminal :- ~open

open :- cell(M,N,b)

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%%% Worksheet Rules
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load :: false ==> true

click(reset) :: cell(M,N,W) ==> ~cell(M,N,W)
click(reset) :: control(W) ==> ~control(W)
click(reset) ::
  cell(1,1,b) &
  cell(1,2,b) &
  cell(1,3,b) &
  cell(2,1,b) &
  cell(2,2,b) &
  cell(2,3,b) &
  cell(3,1,b) &
  cell(3,2,b) &
  cell(3,3,b) &
  control(x)

innerhtml(mark(M,N)," ") :- cell(M,N,b)
innerhtml(mark(M,N),W) :- cell(M,N,W) & distinct(W,b)
innerhtml(control,W) :- control(W)
innerhtml(whitereward,N) :- goal(white,N)
innerhtml(blackreward,N) :- goal(black,N)

attribute(mark(M,N),"onclick","handle(this)") :- ~terminal & cell(M,N,b)
attribute(mark(M,N),"onclick","true") :- terminal & index(M) & index(N)
attribute(mark(M,N),"onclick","true") :- cell(M,N,W) & distinct(W,b)

style(mark(M,N),"cursor","pointer") :- ~terminal & cell(M,N,b)
style(mark(M,N),"cursor","text") :- terminal & index(M) & index(N)
style(mark(M,N),"cursor","text") :- cell(M,N,W) & distinct(W,b)

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