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Single Idea 18795

[from 'Critique of Pure Reason' by Immanuel Kant, in 10. Modality / B. Possibility / 1. Possibility ]

Full Idea

The concept is always possible if it does not contradict itself (the logical mark of possibility). Yet it can be an empty concept. ...We cannot infer from the possibility of the concept (logical possibility) to the possibility of the thing (real).

Gist of Idea

A concept is logically possible if non-contradictory (but may not be actually possible)

Source

Immanuel Kant (Critique of Pure Reason [1781], B624/A596 n)

Book Reference

Kant,Immanuel: 'Critique of Pure Reason', ed/tr. Guyer,P /Wood,A W [CUO 1998], p.566


Related Idea

Idea 18796 Formal experience conditions show what is possible, and general conditions what is necessary [Kant]