In Boolean functions and propositional calculus, the Sheffer stroke denotes a logical operation that is equivalent to the negation of the conjunction operation...
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typography. It has many names, often related to particular meanings: Sheffer stroke (in logic), pipe, bar, or (literally, the word "or"), vbar, and others...
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the logical NAND, usually symbolized with a vertical line called the Sheffer stroke, or its dual logical NOR (usually symbolized with a vertical arrow or...
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very large integers ↑, a mathematical game theory position Up ↑ or Sheffer stroke, the logical connective "not both" or NAND ↑, the APL function 'take'...
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\operatorname {NOR} } . As with its dual, the NAND operator (also known as the Sheffer stroke—symbolized as either ↑ {\displaystyle \uparrow } , ∣ {\displaystyle...
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introduction of the Sheffer stroke ("|") to symbolise "incompatibility" (i.e., if both elementary propositions p and q are true, their "stroke" p | q is false)...
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known as the Sheffer stroke). It is one of 25 candidate axioms for this property identified by Stephen Wolfram, by enumerating the Sheffer identities of...
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recommended instead. [by whom?] ↑ | U+2191 U+007C upwards arrow vertical line Sheffer stroke, the sign for the NAND operator (negation of conjunction). ↓ U+2193...
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gates using NOR logic. Boolean algebra Flash memory Logic gate symbols Sheffer stroke Mano, M. Morris and Charles R. Kime. Logic and Computer Design Fundamentals...
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{\displaystyle A} ∴ ¬ B {\displaystyle \therefore \neg B} Based on the Sheffer Stroke (alternative denial), "|", the inference can also be formalized in this...
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structures and chip deposition geometries that produce NAND logic elements Sheffer stroke – other name NOR logic – like NAND gates, NOR gates are also universal...
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expressed using quantifiers. Additional logical connectives such as the Sheffer stroke, Dpq (NAND), and exclusive or, Jpq. Non-logical symbols represent predicates...
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{\displaystyle {\frac {A,\neg \left(A\wedge \neg B\right)}{B}}} Because Sheffer's stroke (also known as NAND operator) is functionally complete, it can be used...
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Minimal axioms for Boolean algebra Peirce arrow Read-once function Sheffer stroke Sole sufficient operator Symmetric Boolean function Symmetric difference...
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first published proof was by Henry M. Sheffer in 1913, so the NAND logical operation is sometimes called Sheffer stroke; the logical NOR is sometimes called...
40 KB (3,570 words) - 15:36, 28 October 2024
first published proof was by Henry M. Sheffer in 1913, so the NAND logical operation is sometimes called Sheffer stroke; the logical NOR is sometimes called...
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terms of a sole sufficient operator such as the Peirce arrow (NOR) or Sheffer stroke (NAND). Similarly, in classical first-order logic, one of the quantifiers...
51 KB (7,741 words) - 06:43, 7 November 2024
first published proof was by Henry M. Sheffer in 1913, so the NAND logical operation is sometimes called Sheffer stroke; the logical NOR is sometimes called...
59 KB (6,591 words) - 22:49, 29 October 2024
Wittgenstein's N-operator is a broader infinitary analogue of the Sheffer stroke, which applied to a set of propositions produces a proposition that...
62 KB (8,015 words) - 23:35, 20 November 2024
{\displaystyle \to } (if...then), and ↑ {\displaystyle \uparrow } (Sheffer stroke). Given the conditional proposition p → q {\displaystyle p\to q} , one...
145 KB (16,445 words) - 10:39, 22 November 2024
equations yet further; for instance, with the vertical bar representing the Sheffer stroke operation, the single axiom ( ( a ∣ b ) ∣ c ) ∣ ( a ∣ ( ( a ∣ c ) ∣...
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of its inputs is true and the other is false ("not equal") NAND or Sheffer stroke - true when it is not the case that all inputs are true ("not both")...
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same cardinality stretch A convex subclass of an ordered class stroke The Sheffer stroke (only used in the second edition of PM) type As in type theory...
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negation, or even using only a single connective for "not and" (the Sheffer stroke), as Jean Nicod did. A joint denial connective (logical NOR) will also...
110 KB (11,050 words) - 16:56, 10 November 2024
first published proof was by Henry M. Sheffer in 1913, so the NAND logical operation is sometimes called Sheffer stroke; the logical NOR is sometimes called...
50 KB (5,519 words) - 00:19, 6 October 2024
¬q, Negation; 6, XOR, Exclusive disjunction; 7, NAND, Logical NAND (Sheffer stroke); 8, AND, Logical conjunction; 9, XNOR, If and only if, Logical biconditional;...
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{\displaystyle \langle 2,1,0\rangle } . The expressive adequacy of the Sheffer stroke points to the primary algebra also being a ⟨ B , − − | ¯ , |...
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algebra are in common use, the lattice basis, the ring basis, and the Sheffer stroke or NAND basis. These bases impart respectively a logical, an arithmetical...
65 KB (8,232 words) - 15:14, 21 September 2024
innovations are introduced. For Quine, there is but one connective, the Sheffer stroke, and one quantifier, the universal quantifier. All polyadic predicates...
57 KB (6,501 words) - 06:48, 16 November 2024
logic -- Set (mathematics) -- Seven Types of Ambiguity (Empson) -- Sheffer stroke -- Ship of Theseus -- Simple non-inferential passage -- Singular term...
21 KB (1,874 words) - 16:14, 23 September 2024