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A false equivalence or false equivalency is an informal fallacy in which an equivalence is drawn between two subjects based on flawed or false reasoning. This fallacy is categorized as a fallacy of inconsistency. [1] Colloquially, a false equivalence is often called "comparing apples and oranges."
False authority (single authority) – using an expert of dubious credentials or using only one opinion to promote a product or idea. Related to the appeal to authority. False dilemma (false dichotomy, fallacy of bifurcation, black-or-white fallacy) – two alternative statements are given as the only possible options when, in reality, there ...
is true only if both A and B are false, or both A and B are true. Whether a symbol means a material biconditional or a logical equivalence , depends on the author’s style. x + 5 = y + 2 ⇔ x + 3 = y {\displaystyle x+5=y+2\Leftrightarrow x+3=y}
Logical equality is an operation on two logical values, typically the values of two propositions, that produces a value of true if and only if both operands are false or both operands are true. The truth table of p EQ q (also written as p = q , p ↔ q , Epq , p ≡ q , or p == q ) is as follows:
false suggestion A false statement made in the negotiation of a contract. sui generis: of its own kind/genus Something that is unique amongst a group. sui juris: of his own right Refers to one legally competent to manage his own affairs. Also spelled sui iuris. suo motu: of its own motion
Also called humanocentrism. The practice, conscious or otherwise, of regarding the existence and concerns of human beings as the central fact of the universe. This is similar, but not identical, to the practice of relating all that happens in the universe to the human experience. To clarify, the first position concludes that the fact of human existence is the point of universal existence; the ...
An alternate approach considers the equality relation to be a non-logical symbol. This convention is known as first-order logic without equality. If an equality relation is included in the signature, the axioms of equality must now be added to the theories under consideration, if desired, instead of being considered rules of logic.
The word's true origin is unknown, but it existed in the Middle Scots period. [32] [33] News: The word news has been claimed to be an acronym of the four cardinal directions (north, east, west, and south). However, old spellings of the word varied widely (e.g., newesse, newis, nevis, neus, newys, niewes, newis, nues, etc.).