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In computer programming, specifically when using the imperative programming paradigm, an assertion is a predicate (a Boolean-valued function over the state space, usually expressed as a logical proposition using the variables of a program) connected to a point in the program, that always should evaluate to true at that point in code execution.
Assertion (software development), a computer programming technique; assert.h, a header file in the standard library of the C programming language; Assertion definition language, a specification language providing a formal grammar to specify behaviour and interfaces for computer software
Assertiveness is the quality of being self-assured and confident without being aggressive to defend a right point of view or a relevant statement. In the field of psychology and psychotherapy, it is a skill that can be learned and a mode of communication. Dorland's Medical Dictionary defines assertiveness as:
Proof by assertion, sometimes informally referred to as proof by repeated assertion, is an informal fallacy in which a proposition is repeatedly restated regardless of contradiction and refutation. [1]
Negative assertions may function as positives in sarcastic contexts. For example, in response to being informed that smoking can increase the possibility of developing lung cancer, someone could respond with the question, "Who knew?" The question functions as an assertion that the truth of the statement should have been utterly obvious.
In general, a judgment may be any inductively definable assertion in the metatheory. Judgments are used in formalizing deduction systems: a logical axiom expresses a judgment, premises of a rule of inference are formed as a sequence of judgments, and their conclusion is a judgment as well (thus, hypotheses and conclusions of proofs are judgments).
In computer software testing, a test assertion is an expression which encapsulates some testable logic specified about a target under test. The expression is formally presented as an assertion, along with some form of identifier, to help testers and engineers ensure that tests of the target relate properly and clearly to the corresponding specified statements about the target.
The Assertion Definition Language (ADL) is a specification language providing a predicate logic based behaviour, as well as interfaces, for computer software. [1]