| By: |
Co(next_nat_pair(<x1,y1>) * Co= Co(next_nat_pair(<x2,y2>) * Co THEN 2 Times (SplitITE Hyp:5) THEN Analyze5 THEN OnAllHyps Reduce THEN RemoveImpossibleCasesBy Auto |
| 1 |
6. x1+1 = x2+1 7. y1 = 0 8. y2 = 0 | 1 step |
| 2 |
6. y1-1 = y2-1 7. y1 8. y2 | 1 step |
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