./././Game.lean:94:0: warning: No world introducing else, but required by Trace
./././Game.lean:94:0: warning: No world introducing then, but required by Trace
./././Game.lean:94:0: warning: No world introducing clear, but required by Trace
./././Game.lean:94:0: warning: No world introducing if, but required by Trace
./././Game.lean:94:0: warning: No world introducing Fin, but required by Trace