William F. Barr [3]William Frank Barr [1]
  1.  51
    A syntactic and semantic analysis of idealizations in science.William F. Barr - 1971 - Philosophy of Science 38 (2):258-272.
    Various laws and theories in the natural and social sciences are presented with a view to discerning the syntactic and semantic characteristics of many idealizations in science. Three different kinds of idealizations are discussed: ideal conditions, ideal cases, and idealized theories. An ideal condition is a formula in which state variables occur, whose existential closure is false, and for which there is another formula that can be constructed out of the original formula such that the existential closure of the new (...)
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  2.  65
    A pragmatic analysis of idealizations in physics.William F. Barr - 1974 - Philosophy of Science 41 (1):48-64.
    A brief discussion is offered of what it means to say that a set of statements provides D-N explanation with special emphasis given to approximative D-N explanation. An idealized theory is seen to provide approximative D-N explanation. An ideal case provides explanation only if postulates are offered which connect the ideal antecedent condition with actual conditions. Such postulates will help in accounting for deviations between what the consequent of the ideal case entails and what actually occurs. Three ways are presented (...)
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    Inquiry into Science: Its Domain and Limits.William F. Barr - 1972 - Philosophy of Science 39 (4):555-556.