Causation (philosophy of science) ; Causality (philosophy of science) ; Spracherwerb und neurologische Entwicklung; Language acquisition and neurological development; Sprache und Denken (Ontogenese) ; Language and thought (ontogenesis) ; Cognitive development; Language acquisition and cognitive development ; Logic of language; Linguistic logic ; Counterfactual; Modus ponens; Modus tollens; Kausalität (Logik) ; Causality (logic) ; Causation (logic)