“Your discovery of the contradiction caused me the greatest surprise and, I would almost say, consternation, since it has shaken the basis on which I intended to build my arithmetic.” SeemsLossSeriousDiscoveryLogicBasesFoundationSurpriseContradictionSoleArithmeticConsternation Author:Gottlob Frege
“I compare arithmetic with a tree that unfolds upwards in a multitude of techniques and theorems while the root drives into the depths.” TreeRootsDepthTechniqueCompareMultitudesArithmeticTheorems Author:Gottlob Frege
