------------------ MODULE GenericTTTGame -----------------
EXTENDS TTT 
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GenericGameInit == winner = "?"

GenericGamePlay == /\ winner = "?"
                   /\ UNCHANGED winner

GenericGameWinner == /\ winner = "?"
                     /\ winner' \in {"me", "you"}
                
GenericGameNext == GenericGamePlay \/ GenericGameWinner 
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GenericGameSpec == GenericGameInit /\ [][GenericGameNext]_<<winner>>

THEOREM TTTSpec => GenericGameSpec

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