Empiricism asserts that sensory experience is the primary source of justified beliefs, emphasizing the role of observation and experimentation in acquiring knowledge.

Rationalism emphasizes the role of reason and deductive logic in acquiring justified beliefs, asserting that certain truths can be known independently of sensory experience.

Coherentism emphasizes the coherence and consistency of beliefs as the primary criterion for their justification, rather than relying solely on sensory experience or deductive arguments.

Foundationalism asserts that all beliefs must be ultimately grounded in indubitable foundations, such as self-evident truths or basic experiences, to be considered justified.

Social Epistemology emphasizes the role of social agreement, consensus, and shared practices in determining the justification of beliefs, rather than relying solely on individual experience or reason.

Foundationalism often holds that knowledge is justified true belief, emphasizing the need for beliefs to be grounded in indubitable foundations and supported by evidence.

The Gettier Problem challenges the traditional definition of knowledge by showing that justification alone is not sufficient for knowledge, as there can be cases where a person has a justified true belief but still lacks knowledge.

Internalism emphasizes the role of internal mental states, such as coherence and consistency, in determining the justification of beliefs, rather than relying on external factors such as social agreement or sensory experience.

Externalism asserts that justification can be influenced by external factors such as social agreement, shared practices, and the testimony of others, rather than relying solely on internal mental states.

Skepticism is the philosophical position that holds that all beliefs are ultimately unjustified and that we cannot attain certain knowledge, questioning the reliability of our senses, reason, and other sources of justification.

Foundationalism often emphasizes the defeasibility of beliefs, meaning that they can be overturned by new evidence or arguments, highlighting the provisional nature of justification.

Foundationalism often emphasizes the role of reliability in determining the justification of beliefs, asserting that beliefs should be based on reliable sources and methods, such as sensory experience or deductive arguments.

Coherentism emphasizes the role of coherence and consistency in determining the justification of beliefs, asserting that beliefs should form a coherent and consistent system, rather than relying solely on external factors or indubitable foundations.

Externalism emphasizes the role of social agreement and consensus in determining the justification of beliefs, asserting that beliefs can be justified based on their acceptance by a community or group, rather than relying solely on individual experience or reason.

Foundationalism often emphasizes the role of self-evidence or indubitability in determining the justification of beliefs, asserting that certain beliefs are self-evident or indubitable and can serve as a foundation for other beliefs.