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:
“Then the justice,
In fair round belly with good capon lined,
With eyes severe and beard of formal cut,
Full of wise saws and modern instances;
And so he plays his part.”
—William Shakespeare (15641616)
“It is not easy to construct by mere scientific synthesis a foolproof system which will lead our children in a desired direction and avoid an undesirable one. Obviously, good can come only from a continuing interplay between that which we, as students, are gradually learning and that which we believe in, as people.”
—Erik H. Erikson (20th century)
“A woman does not have to make decisions based on the need to survive. She can cut through issues, call shots as she sees them.... Many bad decisions are made by men in government because it is good for them personally to make bad public decisions.”
—Dianne Feinstein (b. 1933)
“We are double-edged blades, and every time we whet our virtue the return stroke straps our vice. Where is the skillful swordsman who can give clean wounds, and not rip up his work with the other edge?”
—Henry David Thoreau (18171862)