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The aim of this study was to discover the philosophical foundations of teaching in teaching-learning strategies to determine the position of identifying these foundations in the field of thought and practice. The research approach was descriptive-analytical and of qualitative and documentary type. Data were collected using text analysis technique and taken from texts of different sources, using form and note taking. To answer the research question, six epistemological questions were asked in line with various teaching models. The results showed that knowledge in the teaching models of information processing is relative and subjective and the type of knowledge in the teaching models of this family can be classified as sensory knowledge, experimental intellectual knowledge and partly intuitive knowledge. The results in the philosophical schools section supporting these models included the classical schools (idealism and realism), the school of pragmatism, naturalism, existentialism, and postmodernism (individual and social constructivism).