One of his logical systems became the basis for Ernst Schroeder's great three-volume treatise on logic, the Vorlesungen ueber die Algebra der Logik.
His logical works are not extant.
She had his logical mind and his quiet stubbornness.
In medieval textbooks, the "Porphyrian Tree" illustrated his logical classification of substance.
In his logical single-mindedness he sometimes sounds like an Alabama-born Mr. Spock.
Carnap presented a rigorous theory of this kind in his Logical Foundations of Probability (1950).
After rejecting his logical paths of succession, Mr. Newton hit upon a most illogical one.
With a 5-0 lead, Hampton's competitive side battled his logical one.
After ably tracing Gödel's life, his logical achievements, and his friendship with Einstein, Yourgrau elaborately defends his importance as a philosopher of time.
His logical views alone, expressed in an elegant, crystalline prose, would have ensured him a place in the history of modern philosophy.
No less a figure than Frederick Douglass said the practice had long offended his "logical faculty" as a man "opposed to every species of arbitrary power".
