Deepfoundedness

Deepfoundedness is a term used in philosophy and epistemology to describe a specific kind of justification for a belief. It refers to the idea that a belief is deeply founded if it is supported by a coherent and well-integrated system of other beliefs, rather than being isolated or resting on weak or unsupported assumptions. The strength of a belief's foundation is thus seen as a function of its relationships within a broader network of knowledge.

This concept contrasts with simpler notions of justification, such as direct perceptual experience or the testimony of a trusted source. While these can contribute to a belief's justification, deepfoundedness suggests that the ultimate robustness of a belief comes from its embedding within a comprehensive and consistent understanding of the world. A belief that is deeply founded is not easily challenged because undermining it would require dismantling a significant portion of one's overall epistemic structure.

The idea has implications for how we understand the reliability of knowledge and the process of acquiring new beliefs. It suggests that true understanding involves not just accumulating facts, but also building a stable and interconnected web of beliefs that can withstand scrutiny. The term emphasizes the interconnectedness and systemic nature of justification in a way that highlights the depth and solidity of an epistemic position.