So the Czar gave five supposedly impossible tasks to the Fool and his men:

A complete power failure of all bridge systems was not only disconcerting, it was supposedly impossible.

Kate bets him that he cannot split an arrow (a supposedly impossible feat), and wagers his original bow.

A warp drive to achieve faster-than-light travel, a supposedly impossible goal, may not be as unrealistic as once thought, scientists say.

In fact, most of our safeguards are still classified and supposedly impossible to discover, much less breach.

Hobart had confirmed the supposedly impossible match independently, which meant that as a syn-psych counselor he was one of the best.

As the first rule, all data was considered suspect, perhaps intentionally distorted by Omnius, though such deceit was supposedly impossible for the computer mind.

He reached the tower of Sleeping Beauty, a supposedly impossible task.

He was charged with seven supposedly impossible tasks.

But, even with twenty-thousand-plus Vangs-or any larger number-success depended entirely upon a nicety of timing never before approached and supposedly impossible.