Editing Logical Positivism and the Verification Principle (section)

== <span style="color: #FFFFFF;">Remembering</span> ==
* '''Logical Positivism''' — (Logical Empiricism). The "Movement" that "Aims" to "Align" "Philosophy" with "Modern Science" and "Mathematics."
* '''Verification Principle''' — The "Criterion": "A statement is meaningful only if its truth can be established by observation or is a tautology."
* '''The Vienna Circle''' — (Moritz Schlick). The "Group" of "Scientists and Philosophers" in Vienna (1920s) who "Developed" Logical Positivism.
* '''A.J. Ayer''' — The "British Messenger": author of 'Language, Truth, and Logic' (1936), who "Popularized" the movement in the English-speaking world.
* '''Analytic Statement''' — A statement that is "True by Definition" (e.g., 'All bachelors are unmarried').
* '''Synthetic Statement''' — A statement that "Requires" "Observation" to "Check" (e.g., 'It is raining in Vienna').
* '''Metaphysics''' — (See Article 112). The "Study of the Ultimate Reality": "Dismissed" by Positivists as **"Nonsense"** because its "Claims" "Cannot be Verified."
* '''Emotivism''' — (See Article 114). The "Ethical Theory" that "Moral Statements" (e.g. 'Killing is wrong') are not "Truths" but "Just" **"Expressions of Emotion"** (The 'Hurrah/Boo' theory).
* '''Protocol Sentences''' — The "Simplest" "Reports" of "Sensation" (e.g. 'Red patch here now') that "Form" the "Basis" of "All Knowledge."
* '''Ludwig Wittgenstein''' — (See Article 673). The "Early Influence" (Tractatus) who "Argued" that "Whereof one cannot speak, thereof one must be silent."
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