Formal System Based On The Sheffer Stroke
The following is an example of a formal system based entirely on the Sheffer stroke, yet having the functional expressiveness of the propositional logic:
Read more about this topic: Sheffer Stroke
Famous quotes containing the words formal, system, based and/or stroke:
“True variety is in that plenitude of real and unexpected elements, in the branch charged with blue flowers thrusting itself, against all expectations, from the springtime hedge which seems already too full, while the purely formal imitation of variety ... is but void and uniformity, that is, that which is most opposed to variety....”
—Marcel Proust (18711922)
“When the finishing stroke was put to his work, it suddenly expanded before the eyes of the astonished artist into the fairest of all the creations of Brahma. He had made a new system in making a staff, a world with full and fair proportions; in which, though the old cities and dynasties had passed away, fairer and more glorious ones had taken their places.”
—Henry David Thoreau (18171862)
“Both magic and religion are based strictly on mythological tradition, and they also both exist in the atmosphere of the miraculous, in a constant revelation of their wonder-working power. They both are surrounded by taboos and observances which mark off their acts from those of the profane world.”
—Bronislaw Malinowski (18841942)
“I believe that Harmon would be the easiest to defeat, though he might gain much strength from the Republicans. Clark would surely lose New York. I am beginning to feel that by some stroke of genius they may name Woodrow Wilson, and that seems a pretty hard tussle.”
—William Howard Taft (18571930)