The article presents Moore’s concept of the naturalistic fallacy, with particular reference to two interpretations of the term: According to the interpretation, the naturalistic fallacy consists in identifying the quality of „goodness” with any other qualities, while according to the second, naturalistic fallacy would consist in identifying „good” with the natural qualities. Further, distinction is made between the naturalistic fallacy and its consequences which are sometimes confused with the fallacy itself by some authors.

INTRODUCTION This work follows the recent publication of the landmark study edited by Leon Dyczewski of the Catholic University of Lublin entitled, ...

The subject of the article is a description of a certain version of fanaticism represented by spokesmen of family planning. The author first presents some definitions of fanaticism. Next he discusses the world’s demographic problems linking demography with the question of good life. He calls the standpoints that do not notice the negative effect of the demographic explosion fanatical.