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|Prehistory=[[Hans Reichenbach]] is commonly considered to have been the first to draw the distinction between the context of discovery, which is a historical and creative process having to do with the construction of the theory, and the context of justification, which is the supposedly distinct logical enterprise of the defense and appraisal of a theory. [[CiteRef::Laudan (1980)]] However the distinction was implicit in works of scientific methodology since the nineteenth century, and has been traced by Popper back to Kant. [[CiteRef::Popper (1959)]] The idea that the historical context of discovery can be clearly distinguished from the logical context of justification was questioned by [[Norwood Hanson|Hanson]], [[Thomas Kuhn|Kuhn]], and [[Paul Feyerabend|Feyerabend]]. [[CiteRef::Barseghyan (2015) | p. 23]][[CiteRef::Feyerabend (1975) | p. 149]]  Paul Hoyningen-Huene proposed a lean distinction between the two contexts, proposing that they are simply two different perspectives that can be taken towards scientific knowledge. Unlike earlier views, it does not suppose that discovery and justification are two distinct processes. [[CiteRef::Hoyningen-Huene (2006) pp. 128-130]] Barseghyan [[CiteRef::Barseghyan (2015) pp. 23-25]] noted that deemed the terms 'discovery' and 'justification' are to be misleading. 'Discovery' is generally taken to refer to an epistemic achievement that has been positively appraised, such as the discovery of the planet Neptune. The term 'construction', he supposesused instead, is better suited to refer refers to the creative processes by which new theories come about. Theories undergo a process of appraisal by a scientific community. Thus, we speak of the questions of theory construction and theory appraisal, which, as for Hoyningen-Huene, can overlap with one another.  Barseghyan [[CiteRef::Barseghyan (2015) pp|p. 23-3029]] further argues argued that both theory construction scientonomy should describe and theory appraisal have both a normative explain how changes in the mosaic of accepted scientific theories and a descriptive question associated with them (imethods take place.e. how ought theories to be constructed?, how are theories constructed?Any actual instance of scientific change involves an appraisal, therefore scientonomy must account for how ought theories to be appraised?, how are theories appraised?)if it is to account for changes in the scientific mosaic. It need not account for theory construction.