parenthesis-freeadj.

Brit.

/pəˌrɛnθᵻsɪsˈfriː/, U.S.

/pəˌrɛnθəsəsˈfri/

Origin: Formed within English, by compounding. Etymons: parenthesis n., free adj.

Etymology: < parenthesis n. + free adj. Compare Polish beznawiasowy < bez without + nawias parenthesis + -owy, suffix forming adjectives.

Logic and Computing.

Designating a notation which eliminates the need for parentheses, esp. that of the Polish logician Jan Łukasiewicz (1878–1956); written using such a notation. Cf. Polish notation n. at Polish n.¹ and adj. Compounds.

ΚΠ

1938 Jrnl. Symbolic Logic 3 200 Propositional calculus, Lukasiewicz's parenthesis-free notation.

1963 O. Wojtasiewicz tr. J. Łukasiewicz Elem. Math. Logic p. ix I enumerate here the more important new results whose authorship, I think, I may ascribe to myself. They are as follows: i. The parenthesis-free notation of expressions in the sentential calculus and in Aristotle's syllogistic.

2000 F. L. Bauer in R. Rojas & U. Hashagen First Computers iii. 283 The problem of well-formedness and parsing of a parenthesis-free formula.

This entry has been updated (OED Third Edition, June 2005; most recently modified version published online March 2022).

单词	parenthesis-free
释义	parenthesis-freeadj. Brit. /pəˌrɛnθᵻsɪsˈfriː/, U.S. /pəˌrɛnθəsəsˈfri/ Origin: Formed within English, by compounding. Etymons: parenthesis n., free adj. Etymology: < parenthesis n. + free adj. Compare Polish beznawiasowy < bez without + nawias parenthesis + -owy, suffix forming adjectives. Logic and Computing. Designating a notation which eliminates the need for parentheses, esp. that of the Polish logician Jan Łukasiewicz (1878–1956); written using such a notation. Cf. Polish notation n. at Polish n.¹ and adj. Compounds. ΚΠ 1938 Jrnl. Symbolic Logic 3 200 Propositional calculus, Lukasiewicz's parenthesis-free notation. 1963 O. Wojtasiewicz tr. J. Łukasiewicz Elem. Math. Logic p. ix I enumerate here the more important new results whose authorship, I think, I may ascribe to myself. They are as follows: i. The parenthesis-free notation of expressions in the sentential calculus and in Aristotle's syllogistic. 2000 F. L. Bauer in R. Rojas & U. Hashagen First Computers iii. 283 The problem of well-formedness and parsing of a parenthesis-free formula. This entry has been updated (OED Third Edition, June 2005; most recently modified version published online March 2022). < adj.1938
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