Philosophical theories

• Philosophical theory

• List of belief systems
• Bundle theory

• Coherentism
• Consensus theory of truth
• Correspondence theory of truth

• Deflationary theory of truth
• Determinism

• Emergent evolution
• Epistemic theories of truth
• Eudaimonism

• Foundationalism

• Category:Integral theory
• Integral theory

• Category:Kantianism

• 
  Lexical hypothesis

• Marx's theory of human nature

• Neo-Kantianism

• 
  Objectivist philosophy
• Optimism

• Perspectivism
• Pragmatic theory of truth

• 
  Quietism (philosophy)

• Rational reconstruction
• Reconstructivism
• Redundancy theory of truth
• Category:Relativism
• Representationalism
• 
  Representative realism

• Substance theory
• Systems Philosophy

• Transcendental idealism

• Universal dialectic

• Worldview and working model of neuro-linguistic programming