et al, in Symbol Manipulation Languages and Techniques, D.G. Bobrow ed, N-H 1968, pp.226- 246].

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A symbolic generator and macro assembler by A.P. Ershov et alderived from two premises. The conclusion

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derived from two premises. The conclusion

necessarily follows from the premises so that, if these are true, the conclusion must be true, and the syllogism amounts to demonstration. To put it another way, the premises imply the conclusion.

For example, every virtue is laudable; kindness is a virtue; therefore kindness is laudable.

Strangely, a syllogism can still be true if the premises are false.

Compare inference rule.

[Relationship between premises?]

Last updated: 2009-10-28

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derived from two premises. The conclusion true, and the syllogism amounts

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true, and the syllogism amounts

to demonstration. To put it another way, the premises imply the conclusion.

For example, every virtue is laudable; kindness is a virtue; therefore kindness is laudable.

Strangely, a syllogism can still be true if the premises are false.

Compare inference rule.

[Relationship between premises?]

Last updated: 2009-10-28

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true, and the syllogism amounts example, every virtue is laudable; kindness is a virtue;

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example, every virtue is laudable; kindness is a virtue;

therefore kindness is laudable.

Strangely, a syllogism can still be true if the premises are false.

Compare inference rule.

[Relationship between premises?]

Last updated: 2009-10-28

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example, every virtue is laudable; kindness is a virtue;ule}.

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ule}.

[Relationship between premises?]

Last updated: 2009-10-28

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example, every virtue is laudable; kindness is a virtue;ule}.aic Manipulation", CACM 8:501-508

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aic Manipulation", CACM 8:501-508

1965].

Last updated: 1995-03-16

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ule}.aic Manipulation", CACM 8:501-508damental operations of

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damental operations of

artificial intelligence and logic programming languages like Prolog.

Inference is a basic part of human reasoning. For example given that all men are mortal and that Socrates is a man, it is a trivial step to infer that Socrates is mortal. We might express these symbolically:

	man(X) => mortal(X).
	man(socrates).

("if X is a man then X is mortal" and "Socrates is a man"). Here, "man", "mortal" and "socrates" are just arbitrary symbols which the computer manipulates without reference to or knowledge of their external meaning. A forward chaining system (a production system) could use these to infer the new fact

	mortal(socrates).

simply by matching the left-hand-side of the implication against the fact and substituting socrates for the variable X.

Last updated: 1994-10-28

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damental operations ofo be confused with {symbolic link}).

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o be confused with {symbolic link}).

SYLK format existed in one form or another in as early as 1987, and was part of Excel v1.0. It is is an outgrowth of VisiCalc DIF file format.

SYLK format is ascii text and represents information about both formula, value, and some formatting information, which makes it something like an RTF for spreadsheets. It is used as a general tabular data exchange format.

http://netghost.narod.ru/gff/graphics/summary/micsylk.htm.

[Reference?]

Last updated: 2004-04-08

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damental operations ofo be confused with {symbolic link}).on about

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on about

both formula, value, and some formatting information, which makes it something like an RTF for spreadsheets. It is used as a general tabular data exchange format.

http://netghost.narod.ru/gff/graphics/summary/micsylk.htm.

[Reference?]

Last updated: 2004-04-08

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o be confused with {symbolic link}).on about.ru/gff/graphics/summary/micsylk.htm)}.

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.ru/gff/graphics/summary/micsylk.htm)}.

[Reference?]

Last updated: 2004-04-08

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.ru/gff/graphics/summary/micsylk.htm)}.l {logic} by means of

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l {logic} by means of

a formalised artificial language or symbolic calculus, whose purpose is to avoid the ambiguities and logical inadequacies of natural language.

Last updated: 1995-12-24

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.ru/gff/graphics/summary/micsylk.htm)}.l {logic} by means of} for

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} for

symbolic mathematics. It used a display screen and a light pen.

[Sammet 1969, p.514].

Last updated: 1995-04-16

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l {logic} by means of} foranipulating the numericalitution of one expression into another, simplification of

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anipulating the numerical

quantities represented by those symbols. Such a system might be used for symbolic integration or differentiation, substitution of one expression into another, simplification of an expression, change of subject etc.

One of the best known symbolic mathematics software packages is Mathematica. Others include ALAM, ALGY, AMP, Ashmedai, AXIOM*, CAMAL, CAYLEY, CCalc, CLAM, CoCoA(?), ESP, FLAP, FORM, FORMAL, Formula ALGOL, GAP, JACAL, LiE, Macaulay, MACSYMA, Magic Paper, MAO, Maple, Mathcad, MATHLAB, MuMath, Nother, ORTHOCARTAN, Pari, REDUCE, SAC-1, SAC2, SAINT, Schoonschip, Scratchpad I, SHEEP, STENSOR, SYMBAL, SymbMath, Symbolic Mathematical Laboratory, TRIGMAN, UBASIC.

Usenet newsgropup: sci.math.symbolic.

Last updated: 1995-04-12

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anipulating the numericalitution of one expression into another, simplification of

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itution of one expression into another, simplification of

an expression, change of subject etc.

One of the best known symbolic mathematics software packages is Mathematica. Others include ALAM, ALGY, AMP, Ashmedai, AXIOM*, CAMAL, CAYLEY, CCalc, CLAM, CoCoA(?), ESP, FLAP, FORM, FORMAL, Formula ALGOL, GAP, JACAL, LiE, Macaulay, MACSYMA, Magic Paper, MAO, Maple, Mathcad, MATHLAB, MuMath, Nother, ORTHOCARTAN, Pari, REDUCE, SAC-1, SAC2, SAINT, Schoonschip, Scratchpad I, SHEEP, STENSOR, SYMBAL, SymbMath, Symbolic Mathematical Laboratory, TRIGMAN, UBASIC.

Usenet newsgropup: sci.math.symbolic.

Last updated: 1995-04-12

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itution of one expression into another, simplification ofLGY}, {AMP},

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