Studia Logica: An International Journal for Symbolic Logic, Vol. 103, No. 3 (June 2015), pp. 623-638 (16 pages) Within a weak system WKVS of intuitionistic analysis one may prove, using the Weak Fan ...
This is a preview. Log in through your library . Abstract An example of finite tree $M_{o}$ is presented such that its predicate logic (i.e. the intermediate ...