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[[Category:Formal Grammars]] [[Category:Formal Languages]]

...nal logic'' (or ''sentential logic''). Propositional logic is a domain of formal subject matter that is, up to somorphism, constituted by the structural rel In general terms, a calculus is a formal system that consists of a set of syntactic expressions (''well-formed formu

=====A Formal Charge===== =====A Formal Approach=====

Depending on whether a formal language is called by the type of sign that makes it up or whether it is na ...ctic definition of the ''cactus language'', one that proceeds along purely formal lines, is carried out in the next Subsection. After that, the development

...usually denoted by <math>\varepsilon\!</math> or <math>\lambda\!</math> in formal languages, where it forms the identity element for concatenation. To make ...\mathcal{A} = \{a_i\}\!</math> will be employed as the ''alphabet'' of a [[formal language]]. These alphabet letters serve to name the logical features (pro

...hout this work involves representing problematic phenomena in a variety of formal systems and then implementing these representations in a computational medi ...rious formal systems. The synthetic component involves implementing these formal systems and the descriptions they express in the form of computational inte

involves representing problematic phenomena in a variety of formal systems formal systems.

...gical truth is the empty word, usually denoted by &epsilon; or &lambda; in formal languages, where it forms the identity element for concatenation. To make a [[formal language]]. These alphabet letters serve to name the logical features (pro

...k \}</math> be a finite set of variables, regarded as a formal alphabet of formal symbols but listed here without quotation marks. Starting from this initia ...ics as ''representation principles''. As it turns out, with regard to its formal characteristics, the pragmatic maxim unites the aspects of a representation

...h>{}^{\backprime\backprime} \boldsymbol\lambda {}^{\prime\prime}</math> in formal languages, where it forms the identity element for concatenation. To make ...h>\mathcal{A} = \{a_i\}</math> will be employed as the ''alphabet'' of a [[formal language]]. These alphabet letters serve to name the logical features (pro

...{}^{\backprime\backprime} \boldsymbol\lambda {}^{\prime\prime}\!</math> in formal languages, where it forms the identity element for concatenation. To make ...\mathcal{A} = \{a_i\}\!</math> will be employed as the ''alphabet'' of a [[formal language]]. These alphabet letters serve to name the logical features (pro

with regard to its formal characteristics, the pragmatic maxim unites computer simulation, cybernetics, dynamical systems, and formal languages

...by bringing their various considerations to bear on a single example of a formal system that serves to integrate their concerns, namely, ''propositional cal ...hed according to whether they encourage an ''ordinary language'' (OL), a ''formal language'' (FL), or a ''computational language'' (CL) approach, have their

...and (Reichenbach, 1991). Relationships between periodicity properties of formal languages and ultimately periodic behavior of finite automata are discussed ...edge of an implement that makes it effective in its intended purpose. The formal aspect is an organic shape impressed upon and infused within the material s