Implicative normal form
From Encyclopedia of Mathematics
A propositional form of the type
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where all the ,
, have the form
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Here, each (
;
) is either a variable or the negation of a variable, and
is the logical symbol denoting falsehood. For each propositional formula
one can construct an implicative normal form
classically equivalent to it and containing the same variables as
. Such a
is called an implicative normal form of
.
References
[1] | A. Church, "Introduction to mathematical logic" , 1 , Princeton Univ. Press (1956) |
How to Cite This Entry:
Implicative normal form. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Implicative_normal_form&oldid=31564
Implicative normal form. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Implicative_normal_form&oldid=31564
This article was adapted from an original article by S.K. Sobolev (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article