1] and [2]). This thesis, to be called the contradiction thesis hereafter, has since been subjected to many criticisms. The most severe criticism followed by a total rejection of the thesis comes from the modern formal-logical direction. It was initiated by B. Russell (see [6]) at the beginning of the century and then continued by many contemporary analytic philosophers including K. Popper whose influential paper [3] may be seen as the most expressive attempt to ridicule the thesis. The main point of this criticism is that the thesis cannot be consistently accommodated within a language understood in a classical-logical way." /> On a sequence of contradiction-tolerating logics - | sdvig press