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By Dan Cryan

Introducing common sense makes this significant self-discipline obtainable to each person utilizing the series' well known illustrated structure. This easy-to-follow consultant maps the old improvement of good judgment, explains its symbols and technique, strains its effect in various disciplines, and exhibits good judgment in motion in our electronic age.

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Aristotle was not overly fond of mathematics, so during his posthumous thousand-year reign over Western philosophy, Euclid’s method was put to little use outside mathematics. Galileo first thought of applying it to physics with famously groundbreaking results. He was soon followed by the French philosopher René Descartes (1596–1650) who applied it to philosophy, thereby kickstarting the Enlightenment. It was then only a matter of time before Leibniz used it as a proof method in logic. 44 Leibniz’s Proof Method 1.

Each of them may be either true or false, so altogether we have four possibilities, which may be represented as follows. WHEN “p” IS TRUE AND “q” IS TRUE THEN “p&q” WILL BE TRUE. BUT WHEN ONE OR BOTH ARE FALSE, THE COMPLEX SENTENCE CANNOT BE TRUE, WHICH GIVES US THE SIMPLE TABLE ... p q T T T F F T F F We can extend this table to show the way that the connective “&” works in the sentence “p&q”. p q T T T T F F F T F F F F 37 p&q Wittgenstein’s Truth Tables These ideas give us two things: one is mostly relevant to logicians, whilst the other is relevant to all of us in our everyday lives.

39 The Logic Gates of Digital Electronics Modern life would be unrecognizable without digital electronics and digital electronics is not a lot more than an instantiation of logic. Digital electronics can be found everywhere from microwaves to mobile phones. Digital electronics relies on “logic gates” – basically switches – that let current through, depending on their input. For example, an “And Gate” has two inputs and one output but will only let current through if there is current at both of the inputs.

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