One level back to German idealism 3.3.3.3.3.1. Subjective idealism 3.3.3.3.3.1.1. Jacobi (direct knowledge) 3.3.3.3.3.1.2. Kant (critical philosophy) 3.3.3.3.3.1.3. Fichte (systematic Kant) One level further to Jacobi (direct knowledge) One level further to Kant (critical philosophy) One level further to Fichte (systematic Kant)

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Subjective idealism