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Therefore sign: Asterism, Because ⁀ Tie ~ Tilde (symbol) Tilde (diacritic) Wave dash Double tilde ̃: Tilde (diacritic) Circumflex, Grave: Combining Diacritical Marks, Diacritic ™ Trademark symbol: Registered trade mark _ Underscore | Vertical bar: also known as a 'pipe' / Virgule: Slash: Virgule (disambiguation)
In logical argument and mathematical proof, the therefore sign, ∴, is generally used before a logical consequence, such as the conclusion of a syllogism. The symbol consists of three dots placed in an upright triangle and is read therefore. While it is not generally used in formal writing, it is used in mathematics and shorthand.
A aggravate – Some have argued that this word should not be used in the sense of "to annoy" or "to oppress", but only to mean "to make worse". According to AHDI, the use of "aggravate" as "annoy" occurs in English as far back as the 17th century. In Latin, from which the word was borrowed, both meanings were used. Sixty-eight percent of AHD4's usage panel approves of its use in "It's the ...
In propositional logic, modus tollens (/ ˈ m oʊ d ə s ˈ t ɒ l ɛ n z /) (MT), also known as modus tollendo tollens (Latin for "mode that by denying denies") [2] and denying the consequent, [3] is a deductive argument form and a rule of inference.
Logical consequence (also entailment or logical implication) is a fundamental concept in logic which describes the relationship between statements that hold true when one statement logically follows from one or more statements.
The definition may be extended to idiomatic phrases that behave as a unit and perform the same function, e.g. "as well as", "provided that". A simple literary example of a conjunction is "the truth of nature, and the power of giving interest" ( Samuel Taylor Coleridge 's Biographia Literaria ).
I do too much over the holidays. This year, my family isn't traveling, and I'm not baking for my neighbors or volunteering at my sons' schools.
In classical logic, disjunctive syllogism [1] [2] (historically known as modus tollendo ponens (MTP), [3] Latin for "mode that affirms by denying") [4] is a valid argument form which is a syllogism having a disjunctive statement for one of its premises.