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| | Yeast Computer Plays Tic-Tac-Toe |
 | | The variables i1, i2, i3, i4, i5, i6, i7, i8 and i9 assume the values of either 1 or 0 and describe the human's moves. |
 | | Similarly, let i2 correspond to metabolite B, i3 to metabolite C, i4 to metabolite D, i6 to metabolite E, i7 to metabolite F, i8 to metabolite G and i9 to metabolite H. Finally, let's assume we have at our disposal yeast mutants that logically correspond to each of clauses listed in our formulary. |
 | | For example, the multiply deficient mutant (A-, E-, F-, G-) would correspond to the clause (i1 and i6 and i7 and i8). |
| www.cs.utk.edu /~smith/tic (978 words) |
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