Sentence examples for models exist then from inspiring English sources

If satisfactory models exist, then the effort might be simple.

If a hierarchy of such models exists then this pairwise criterion is repeated recursively.

If the optimal value is equal to one and if positive optimal multipliers exist then the model will be considered efficient.

If statistical heterogeneity did exist then random effects models were applied.

Moreover, if significant pressure dependence does exist then it is implicit in existing, deep borehole-consistent annealing models.

Jif didn't exist then.

(Amazon didn't even exist then).

Did the book stacks exist then?

Why would that exist then?

Two models exist for comparison, both from World War II.

Nevertheless, some models exist.