Conjectures and refutations

["Methodology" "Theory of Knowledge" "Science" "Prediction (Logic)" "Knowledge Theory of" "Vooruitgang" "Sciences" "Connaissance Th\u00e9orie de la" "M\u00e9thodologie" "Wetenschapsfilosofie" "Kennisverwerving" "Science psychological aspects" "Science methodology" "Prediction (psychology)" "Philosophy" "History" "Technology"]