Philosophy Lexicon of Arguments

Intuitionism: A) intuitionism in mathematics assumes that the objects to be inspected, e.g. numbers are only constructed in the process of the investigation and are therefore not finished objects, which are discovered. This has an effect on the double negation and the sentence of the excluded middle.
B) Intuitionism of ethics assumes that moral principles are fixed and are immediately (or intuitively) knowable.
Author Item Excerpt Meta data

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P. Lorenzen Ein dialogisches Konstruktivitätskriterium (1959) in Karel Berka/L. Kreiser Logik Texte Berlin, 1983

Berka I 269
Intuitionist/classical logic/Lorenzen: If the intuitionist logic has been constructively justified in this way, the interpretation of the classical logic is, for example, by means of the elimination of v,>, universal quantification is no longer a problem.
Quantification: however, the use of quantifiers is bound to the condition that the assertions that an element belongs to a quantified variable already have a dialogically definite meaning.

Lorn I
P. Lorenzen
Constructive Philosophy Cambridge 1987

Brk I
K. Berka/L. Kreiser
Logik Texte Berlin 1983

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Ed. Martin Schulz, access date 2017-05-24