Physically many cats are able to get pregnant as young as only six or seven months old. However, it is better and healthier for pregnancy to occur when they're a little older. Often younger cats are not good mothers; the maternal instinct seems to be better developed when they're one year or older.
Initially, all modern linguistics was historical in orientation. Even the study of modern dialects involved looking at their origins. Ferdinand de Saussure 's distinction between synchronic and diachronic linguistics is fundamental to the present day organization of the discipline.
The French philosopher and social theorist Michel Foucault used the term episteme Ã©pistÃ¨me in a highly specialized sense in his Work The order Of things to mean the historical a priori that grounds knowledge and its discourses and thus represents the condition of their possibility within a particular. epoch