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Tag: logic

Octal logic: 6 AND 5 = 4

By Jack Posted on October 28, 2016 Posted in math Tagged with logic, octal numbers

The tutor explains a consequence of octal logic. Octal logic focuses on numbers in base 8. An octal number has the following form: p(20)+q(21)+r(22) which evaluates to p(1)+q(2)+r(4) where p,q,r have possible values 0 or 1 (“off” or “on”). The …

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Math: Symbolic Logic: beginnings

By Jack Posted on February 12, 2016 Posted in computer science, math Tagged with exclusive or, logic, logic foundations, logic symbols, symbolic logic, xor

The tutor lays a foundation for posts about symbolic logic. In logic, shorthand such as p→q is used; it means “p implies q.” p ∨ q means “p or q.” p ∧ q means “p and q”. ¬p means “not p”. p, …

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