Full Idea
The whole idea of an atemporal realm of validity is an invention that is no less doubtful than medieval speculation about angels.
Gist of Idea
The idea of an atemporal realm of validity is as implausible as medieval theology
Source
Martin Heidegger (Basic Problems of Phenomenology [1927], p.215), quoted by Richard Polt - Heidegger: an introduction 2 'Theory'
Book Reference
Polt,Richard: 'Heidegger: an introduction' [Routledge 2003], p.16
A Reaction
This seems to be flatly opposed to the view of Frege, and shows why continental philosophy has largely eschewed a study of logic. It is hard for a philosopher to pursue logic extensively without commitment to the Fregean Third Realm.