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Laws of logical equivalence

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#discrete-mathematics #logic #propositional-calculus
57
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Can all proof systems be generically described?

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#logic #proof-writing #propositional-calculus
497
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Meaning of Symbol in Discrete Mathematics (Kenneth Rosen), 8th Edition?

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#logic #notation #propositional-calculus
38
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Truth table and logic question

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#logic #propositional-calculus
498
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Can one prove by lack of contradiction?

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#logic #proof-writing #propositional-calculus
112
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given $\neg p$ and $p\vee q$ how to use fitch system to prove $q$?

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#logic #propositional-calculus
557
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Why does $AB + BC + CA = (A\oplus B)C + AB$ not imply $BC + CA = (A\oplus B)C$ in boolean algebra?

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#logic #propositional-calculus #boolean-algebra
379
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Help to find a proof in natural deduction

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#logic #propositional-calculus #proof-theory #natural-deduction #formal-proofs
203
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Meta-logic of Hilbert-style propositional calculus

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#logic #propositional-calculus #axioms #foundations #metalogic
164
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Transforming Hilbert-style Axiom Systems for Classical Propositional Logic and Retaining Soundness and Completeness

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#logic #propositional-calculus #axioms #hilbert-calculus
152
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Decide whether this is correct, using the method of resolution. If not, provide a counter example.

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#discrete-mathematics #logic #propositional-calculus #formal-proofs
140
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Curious tautological pattern on"p->p"

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#logic #propositional-calculus
515
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Proving first order logic in coq

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#propositional-calculus #theorem-provers
43
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Negating a Statement "At least K numbers are larger than W"

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#discrete-mathematics #propositional-calculus
747
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CNF and DNF form of single logical variable

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#logic #propositional-calculus #boolean-algebra #conjunctive-normal-form #disjunctive-normal-form

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