|Evidence: proof of the existence and the behavior of objects or of the truth of statements. Evidence can be direct or indirect. See also theories, facts.|
Books on Amazon
|Evidence||A. d'Abro Die Kontroversen über das Wesen der Mathematik 1939 in Kursbuch 8 Mathematik 1967
Evidence/Obviousness/Proof/Hilbert/d'Abro: E.g. triangle, with two perpendicular bisectors. It is clear that the extensions intersect when the triangle lies in the plane. Nevertheless, according to Hilbert, this can very well be denied.
|Link to abbreviations/authors|