Intertheoretic Reduction

A structured relation in which the concepts, laws, or results of one theory are systematically translated into, derived from, or explained by another theory via explicit mappings, embeddings, or derivability relations that preserve inferential and explanatory relations.

A relation between scientific or theoretical frameworks in which the laws, terms, or phenomena of one theory are systematically derived from, approximated by, or explained in terms of another theory, typically via formal derivation, limiting procedures, and explicit linking principles that translate vocabulary between frameworks.