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In mathematics, proof by contrapositive, or proof by contraposition, is a rule of inference used in proofs, where one infers a conditional statement from its contrapositive. [15] In other words, the conclusion "if A, then B" is inferred by constructing a proof of the claim "if not B, then not A" instead. More often than not, this approach is ...
In logic, an inverse is a type of conditional sentence which is an immediate inference made from another conditional sentence. More specifically, given a conditional sentence of the form , the inverse refers to the sentence . Since an inverse is the contrapositive of the converse, inverse and converse are logically equivalent to each other.
In traditional logic, a proposition (Latin: propositio) is a spoken assertion (oratio enunciativa), not the meaning of an assertion, as in modern philosophy of language and logic. A categorical proposition is a simple proposition containing two terms, subject (S) and predicate (P), in which the predicate is either asserted or denied of the subject.
Schwa deletion, or schwa syncope, is a phenomenon that sometimes occurs in Assamese, Hindi, Urdu, Bengali, Kashmiri, Punjabi, Gujarati, and several other Indo-Aryan languages with schwas that are implicit in their written scripts. Languages like Marathi and Maithili with increased influence from other languages through coming into contact with ...
v. t. e. Modern Standard Hindi (आधुनिक मानक हिन्दी, Ādhunik Mānak Hindī), [9] commonly referred to as Hindi, is the standardised variety of the Hindustani language written in Devanagari script. It is the official language of India alongside English and the lingua franca of North India.
For the English speaker, a notable feature of the Hindustani consonants is that there is a four-way distinction of phonation among plosives, rather than the two-way distinction found in English. The phonations are: tenuis, as /p/, which is like p in English spin. voiced, as /b/, which is like b in English bin.
Deccani or Deccani Urdu (دکنی, dakanī or دکھنی, dakhanī; [A] (and in some sources as Deccani Hindi) [1][2][3][4][5][6] is an Indo-Aryan language based on a form of Old Urdu spoken in the Deccan region of south-central India and is the native language of the Deccani people. [7][8] The historical form of Deccani sparked the development ...
Hindi-Urdu, also known as Hindustani, has three noun cases (nominative, oblique, and vocative) [1][2] and five pronoun cases (nominative, accusative, dative, genitive, and oblique). The oblique case in pronouns has three subdivisions: Regular, Ergative, and Genitive. There are eight case-marking postpositions in Hindi and out of those eight the ...