RT Article T1 Verification (Bewährung) in Martin Buber JF The journal of Jewish thought & philosophy VO 20 IS 1 SP 71 OP 98 A1 Kavka, Martin LA English YR 2012 UL https://ixtheo.de/Record/156206178X K1 Buber : pragmatism : verification : theodicy : Kant DO 10.1163/147728512X629826