5 research outputs found

    Semantic Properties of T-consequence Relation in Logics of Quasiary Predicates

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    In the paper we investigate semantic properties of program-oriented algebras and logics defined for classes of quasiary predicates. Informally speaking, such predicates are partial predicates defined over partial states (partial assignments) of variables. Conventional n-ary predicates can be considered as a special case of quasiary predicates. We define first-order logics of quasiary non-deterministic predicates and investigate semantic properties of TT-consequence relation for such logics. Specific properties of TT-consequence relation for the class of deterministic predicates are also considered. Obtained results can be used to prove logic validity and completeness

    Algebras and logics of partial quasiary predicates

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    In the paper we investigate algebras and logics defined for classes of partial quasiary predicates. Informally speaking, such predicates are partial predicates defined over partial states (partial assignments) of variables. Conventional n-ary predicates can be considered as a special case of quasiary predicates. The notion of quasiary predicate, as well as the notion of quasiary function, is used in computer science to represent semantics of computer programs and their components. We define extended first-order algebras of partial quasiary predicates and investigate their properties. Based on such algebras we define a logic with irrefutability consequence relation. A sequent calculus is constructed for this logic, its soundness and completeness are proved

    Π‘Π΅ΠΌΠ°Π½Ρ‚ΠΈΡ‡Π½Ρ– властивості Π»ΠΎΠ³Ρ–ΠΊ Π·Π°Π³Π°Π»ΡŒΠ½ΠΈΡ… Π½Π΅Π΄Π΅Ρ‚Π΅Ρ€ΠΌΡ–Π½ΠΎΠ²Π°Π½ΠΈΡ… ΠΏΡ€Π΅Π΄ΠΈΠΊΠ°Ρ‚Ρ–Π²

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    Π—Π°ΠΏΡ€ΠΎΠΏΠΎΠ½ΠΎΠ²Π°Π½ΠΎ Ρ‚Π° дослідТСно Π½ΠΎΠ²ΠΈΠΉ клас ΠΏΡ€ΠΎΠ³Ρ€Π°ΠΌΠ½ΠΎ-ΠΎΡ€Ρ–Ρ”Π½Ρ‚ΠΎΠ²Π°Π½ΠΈΡ… Π»ΠΎΠ³Ρ–Ρ‡Π½ΠΈΡ… Ρ„ΠΎΡ€ΠΌΠ°Π»Ρ–Π·ΠΌΡ–Π² – Π»ΠΎΠ³Ρ–ΠΊΠΈ Π·Π°Π³Π°Π»ΡŒΠ½ΠΈΡ… Π½Π΅Π΄Π΅Ρ‚Π΅Ρ€ΠΌΡ–Π½ΠΎΠ²Π°Π½ΠΈΡ… ΠΊΠ²Π°Π·Ρ–Π°Ρ€Π½ΠΈΡ… ΠΏΡ€Π΅Π΄ΠΈΠΊΠ°Ρ‚Ρ–Π² (GND-ΠΏΡ€Π΅Π΄ΠΈΠΊΠ°Ρ‚Ρ–Π²). Π’Π°ΠΊΡ– ΠΏΡ€Π΅Π΄ΠΈΠΊΠ°Ρ‚ΠΈ Ρ” ΡƒΠ·Π°Π³Π°Π»ΡŒΠ½Π΅Π½Π½ΡΠΌ часткових Π½Π΅ΠΎΠ΄Π½ΠΎΠ·Π½Π°Ρ‡Π½ΠΈΡ… ΠΏΡ€Π΅Π΄ΠΈΠΊΠ°Ρ‚Ρ–Π² рСляційного Ρ‚ΠΈΠΏΡƒ. Показано Π·Π²'язок GND-ΠΏΡ€Π΅Π΄ΠΈΠΊΠ°Ρ‚Ρ–Π² Ρ–Π· 7-Π·Π½Π°Ρ‡Π½ΠΈΠΌΠΈ Ρ‚ΠΎΡ‚Π°Π»ΡŒΠ½ΠΈΠΌΠΈ Π΄Π΅Ρ‚Π΅Ρ€ΠΌΡ–Π½ΠΎΠ²Π°Π½ΠΈΠΌΠΈ ΠΏΡ€Π΅Π΄ΠΈΠΊΠ°Ρ‚Π°ΠΌΠΈ. Розглянуто ΠΊΠΎΠΌΠΏΠΎΠ·ΠΈΡ†Ρ–Ρ— GND-ΠΏΡ€Π΅Π΄ΠΈΠΊΠ°Ρ‚Ρ–Π², Π½Π°Π²Π΅Π΄Π΅Π½ΠΎ Ρ—Ρ… Ρ…Π°Ρ€Π°ΠΊΡ‚Π΅Ρ€Π½Ρ– властивості. Описано ΠΌΠΎΠ²ΠΈ чистих ΠΏΠ΅Ρ€ΡˆΠΎΠΏΠΎΡ€ΡΠ΄ΠΊΠΎΠ²ΠΈΡ… Π»ΠΎΠ³Ρ–ΠΊ GND-ΠΏΡ€Π΅Π΄ΠΈΠΊΠ°Ρ‚Ρ–Π² Ρ‚Π° Ρ—Ρ… Ρ–Π½Ρ‚Π΅Ρ€ΠΏΡ€Π΅Ρ‚Π°Ρ†Ρ–Ρ—. Π’ΠΈΠ·Π½Π°Ρ‡Π΅Π½ΠΎ Π²Ρ–Π΄Π½ΠΎΡˆΠ΅Π½Π½Ρ Π»ΠΎΠ³Ρ–Ρ‡Π½ΠΎΠ³ΠΎ G-наслідку, Π΄ΠΎΠ²Π΅Π΄Π΅Π½ΠΎ ΠΉΠΎΠ³ΠΎ ΠΌΠΎΠ½ΠΎΡ‚ΠΎΠ½Π½Ρ–ΡΡ‚ΡŒ Ρ‚Π° властивості Π΄Π΅ΠΊΠΎΠΌΠΏΠΎΠ·ΠΈΡ†Ρ–Ρ— Ρ„ΠΎΡ€ΠΌΡƒΠ».A new class of program-oriented logical formalisms - the logics of general non-deterministic quasiary predicates (GND-predicates) – is proposed and investigated. Such predicates are a generalization of partial non-deterministic predicates of relational type. The relationship between GND-predicates and 7-valued total deterministic predicates is shown. Compositions of GND-predicates are considered; their characteristic properties are presented. The languages of pure first-order logics of GND-predicates and their interpretations are described. The G-consequence relation is defined, its monotonicity is investigated, and the properties of the formulas decompositions are proved

    Π›ΠΎΠ³Ρ–Ρ‡Π½ΠΈΠΉ наслідок Ρ‚Π° ΠΉΠΎΠ³ΠΎ Ρ„ΠΎΡ€ΠΌΠ°Π»Ρ–Π·Π°Ρ†Ρ–Ρ— Π² ΠΊΠΎΠΌΠΏΠΎΠ·ΠΈΡ†Ρ–ΠΉΠ½ΠΎ-Π½ΠΎΠΌΡ–Π½Π°Ρ‚ΠΈΠ²Π½ΠΈΡ… Π»ΠΎΠ³Ρ–ΠΊΠ°Ρ…

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    Для ΠΊΠΎΠΌΠΏΠΎΠ·ΠΈΡ†Ρ–ΠΉΠ½ΠΎ-Π½ΠΎΠΌΡ–Π½Π°Ρ‚ΠΈΠ²Π½ΠΈΡ… Π»ΠΎΠ³Ρ–ΠΊ часткових ΠΎΠ΄Π½ΠΎΠ·Π½Π°Ρ‡Π½ΠΈΡ…, Ρ‚ΠΎΡ‚Π°Π»ΡŒΠ½ΠΈΡ… Ρ‚Π° часткових Π½Π΅ΠΎΠ΄Π½ΠΎΠ·Π½Π°Ρ‡Π½ΠΈΡ… ΠΊΠ²Π°Π·Ρ–Π°Ρ€Π½ΠΈΡ… ΠΏΡ€Π΅Π΄ΠΈΠΊΠ°Ρ‚Ρ–Π² Π·Π°ΠΏΡ€ΠΎΠΏΠΎΠ½ΠΎΠ²Π°Π½ΠΎ Ρ€Ρ–Π·Π½Ρ– сСмантики Ρ‚Π° Ρ€Ρ–Π·Π½Ρ– Ρ„ΠΎΡ€ΠΌΠ°Π»Ρ–Π·Π°Ρ†Ρ–Ρ— Π²Ρ–Π΄Π½ΠΎΡˆΠ΅Π½Π½Ρ Π»ΠΎΠ³Ρ–Ρ‡Π½ΠΎΠ³ΠΎ наслідку. ДослідТСно властивості Ρ‚Π°ΠΊΠΈΡ… Ρ„ΠΎΡ€ΠΌΠ°Π»Ρ–Π·Π°Ρ†Ρ–ΠΉ, Π²ΠΈΠ·Π½Π°Ρ‡Π΅Π½ΠΎ ΡΠΏΡ–Π²Π²Ρ–Π΄Π½ΠΎΡˆΠ΅Π½Π½Ρ ΠΌΡ–ΠΆ Ρ€Ρ–Π·Π½ΠΈΠΌΠΈ Π²Ρ–Π΄Π½ΠΎΡˆΠ΅Π½Π½ΡΠΌΠΈ Π»ΠΎΠ³Ρ–Ρ‡Π½ΠΎΠ³ΠΎ наслідку Π² Ρ€Ρ–Π·Π½ΠΈΡ… сСмантиках.Для ΠΊΠΎΠΌΠΏΠΎΠ·ΠΈΡ†ΠΈΠΎΠ½Π½ΠΎ-Π½ΠΎΠΌΠΈΠ½Π°Ρ‚ΠΈΠ²Π½Ρ‹Ρ… Π»ΠΎΠ³ΠΈΠΊ частичных ΠΎΠ΄Π½ΠΎΠ·Π½Π°Ρ‡Π½Ρ‹Ρ…, Ρ‚ΠΎΡ‚Π°Π»ΡŒΠ½Ρ‹Ρ… ΠΈ частичных Π½Π΅ΠΎΠ΄Π½ΠΎ- Π·Π½Π°Ρ‡Π½Ρ‹Ρ… ΠΊΠ²Π°Π·ΠΈΠ°Ρ€Π½Ρ‹Ρ… ΠΏΡ€Π΅Π΄ΠΈΠΊΠ°Ρ‚ΠΎΠ² ΠΏΡ€Π΅Π΄Π»ΠΎΠΆΠ΅Π½Ρ‹ Ρ€Π°Π·Π½Ρ‹Π΅ сСмантики ΠΈ Ρ€Π°Π·Π½Ρ‹Π΅ Ρ„ΠΎΡ€ΠΌΠ°Π»ΠΈΠ·Π°Ρ†ΠΈΠΈ ΠΎΡ‚Π½ΠΎΡˆΠ΅Π½ΠΈΡ логичСского слСдствия. Π˜ΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½Ρ‹ свойства Ρ‚Π°ΠΊΠΈΡ… Ρ„ΠΎΡ€ΠΌΠ°Π»ΠΈΠ·Π°Ρ†ΠΈΠΉ, ΠΎΠΏΡ€Π΅Π΄Π΅Π»Π΅Π½Ρ‹ ΡΠΎΠΎΡ‚Π½ΠΎΡˆΠ΅Π½ΠΈΡ ΠΌΠ΅ΠΆΠ΄Ρƒ Ρ€Π°Π·Π½Ρ‹ΠΌΠΈ ΠΎΡ‚Π½ΠΎΡˆΠ΅Π½ΠΈΡΠΌΠΈ логичСского слСдствия Π² Ρ€Π°Π·Π½Ρ‹Ρ… сСмантиках.Various semantics and various formalizations of relation of logical consequence for composition nominative logics of partial single-valued, total, and partial multiple-valued quasiary predicates are introduced. The authors study properties of the defined formalizations and specify correlations of different relations of logical consequence in different semantics

    Π›ΠΎΠ³Ρ–ΠΊΠΈ Π·Π°Π³Π°Π»ΡŒΠ½ΠΈΡ… Π½Π΅Π΄Π΅Ρ‚Π΅Ρ€ΠΌΡ–Π½ΠΎΠ²Π°Π½ΠΈΡ… ΠΏΡ€Π΅Π΄ΠΈΠΊΠ°Ρ‚Ρ–Π²: cΠ΅ΠΌΠ°Π½Ρ‚ΠΈΡ‡Π½Ρ– аспСкти

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    ДослідТСно сСмантичні аспСкти Π½ΠΎΠ²ΠΎΠ³ΠΎ класу ΠΏΡ€ΠΎΠ³Ρ€Π°ΠΌΠ½ΠΎ-ΠΎΡ€Ρ–Ρ”Π½Ρ‚ΠΎΠ²Π°Π½ΠΈΡ… Π»ΠΎΠ³Ρ–Ρ‡Π½ΠΈΡ… Ρ„ΠΎΡ€ΠΌΠ°Π»Ρ–Π·ΠΌΡ–Π² – Π»ΠΎΠ³Ρ–ΠΊ Π·Π°Π³Π°Π»ΡŒΠ½ΠΈΡ… Π½Π΅Π΄Π΅Ρ‚Π΅Ρ€ΠΌΡ–Π½ΠΎΠ²Π°Π½ΠΈΡ… ΠΊΠ²Π°Π·Ρ–Π°Ρ€Π½ΠΈΡ… ΠΏΡ€Π΅Π΄ΠΈΠΊΠ°Ρ‚Ρ–Π², Π°Π±ΠΎ GND-ΠΏΡ€Π΅Π΄ΠΈΠΊΠ°Ρ‚Ρ–Π². Π’ΠΈΠ΄Ρ–Π»Π΅Π½ΠΎ Ρ€Ρ–Π·Π½ΠΎΠ²ΠΈΠ΄ΠΈ Ρ‚Π°ΠΊΠΈΡ… ΠΏΡ€Π΅Π΄ΠΈΠΊΠ°Ρ‚Ρ–Π², дослідТСно властивості Ρ—Ρ… ΠΊΠΎΠΌΠΏΠΎΠ·ΠΈΡ†Ρ–ΠΉ, розглянуто ΠΊΠΎΠΌΠΏΠΎΠ·ΠΈΡ†Ρ–ΠΉΠ½Ρ– Π°Π»Π³Π΅Π±Ρ€ΠΈ GND-ΠΏΡ€Π΅Π΄ΠΈΠΊΠ°Ρ‚Ρ–Π². Описано ΠΌΠΎΠ²ΠΈ чистих ΠΏΠ΅Ρ€ΡˆΠΎΠΏΠΎΡ€ΡΠ΄ΠΊΠΎΠ²ΠΈΡ… Π»ΠΎΠ³Ρ–ΠΊ GND-ΠΏΡ€Π΅Π΄ΠΈΠΊΠ°Ρ‚Ρ–Π². Π—Π°ΠΏΡ€ΠΎΠΏΠΎΠ½ΠΎΠ²Π°Π½ΠΎ Ρ‚Π° дослідТСно Π²Ρ–Π΄Π½ΠΎΡˆΠ΅Π½Π½Ρ Π»ΠΎΠ³Ρ–Ρ‡Π½ΠΎΠ³ΠΎ наслідку для ΠΌΠ½ΠΎΠΆΠΈΠ½ Ρ„ΠΎΡ€ΠΌΡƒΠ». Описано властивості Π΄Π΅ΠΊΠΎΠΌΠΏΠΎΠ·ΠΈΡ†Ρ–Ρ— Ρ„ΠΎΡ€ΠΌΡƒΠ» Ρ‚Π° Π΅Π»Ρ–ΠΌΡ–Π½Π°Ρ†Ρ–Ρ— ΠΊΠ²Π°Π½Ρ‚ΠΎΡ€Ρ–Π².Π˜ΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½Ρ‹ сСмантичСскиС аспСкты Π½ΠΎΠ²ΠΎΠ³ΠΎ класса ΠΏΡ€ΠΎΠ³Ρ€Π°ΠΌΠΌΠ½ΠΎ-ΠΎΡ€ΠΈΠ΅Π½Ρ‚ΠΈΡ€ΠΎΠ²Π°Π½Π½Ρ‹Ρ… логичСских Ρ„ΠΎΡ€ΠΌΠ°Π»ΠΈΠ·ΠΌΠΎΠ² – Π»ΠΎΠ³ΠΈΠΊ ΠΎΠ±Ρ‰ΠΈΡ… Π½Π΅Π΄Π΅Ρ‚Π΅Ρ€ΠΌΠΈΠ½ΠΈΡ€ΠΎΠ²Π°Π½Π½Ρ‹Ρ… ΠΊΠ²Π°Π·ΠΈΠ°Ρ€Π½Ρ‹Ρ… ΠΏΡ€Π΅Π΄ΠΈΠΊΠ°Ρ‚ΠΎΠ², ΠΈΠ»ΠΈ GND-ΠΏΡ€Π΅Π΄ΠΈΠΊΠ°Ρ‚ΠΎΠ². Π’Ρ‹Π΄Π΅Π»Π΅Π½Ρ‹ разновидности Ρ‚Π°ΠΊΠΈΡ… ΠΏΡ€Π΅Π΄ΠΈΠΊΠ°Ρ‚ΠΎΠ², исслСдованы свойства ΠΈΡ… ΠΊΠΎΠΌΠΏΠΎΠ·ΠΈΡ†ΠΈΠΉ, рассмотрСны ΠΊΠΎΠΌΠΏΠΎΠ·ΠΈΡ†ΠΈΠΎΠ½Π½Ρ‹Π΅ Π°Π»Π³Π΅Π±Ρ€Ρ‹ GND-ΠΏΡ€Π΅Π΄ΠΈΠΊΠ°Ρ‚ΠΎΠ². ΠžΠΏΠΈΡΠ°Π½Ρ‹ языки чистых пСрвопорядковых Π»ΠΎΠ³ΠΈΠΊ GND-ΠΏΡ€Π΅Π΄ΠΈΠΊΠ°Ρ‚ΠΎΠ². ΠŸΡ€Π΅Π΄Π»ΠΎΠΆΠ΅Π½Ρ‹ ΠΈ исслСдованы ΠΎΡ‚Π½ΠΎΡˆΠ΅Π½ΠΈΡ логичСского слСдствия для мноТСств Ρ„ΠΎΡ€ΠΌΡƒΠ». ΠžΠΏΠΈΡΠ°Π½Ρ‹ свойства Π΄Π΅ΠΊΠΎΠΌΠΏΠΎΠ·ΠΈΡ†ΠΈΠΈ Ρ„ΠΎΡ€ΠΌΡƒΠ» ΠΈ элиминации ΠΊΠ²Π°Π½Ρ‚ΠΎΡ€ΠΎΠ².Semantic aspects of a new class of program-oriented logical formalisms – logics of general non-deterministic quasiary predicates (GND-predicates) – are considered. Π‘lasses of GND-predicates are singled out, their compositions and algebras are investigated. The language of pure first-order logics of GND-predicates is described. The relation of the logical consequence for the sets of formulas is proposed and investigated. The properties of the decomposition of formulas and of quantifier elimination are described
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