Complex sentence: From 1978 to 1984, he was assistant professor at the University of São Paulo, then in 1984 he became university lecturer in philosophy of physics at the University of Oxford, where he became reader in philosophy in 1996 and professor of philosophy of physics in 2006.
Split into simpler sentences: From 1978 to 1984, he was assistant professor at the University of São Paulo. In 1984 he became university lecturer in philosophy of physics at the University of Oxford, where he was promoted to reader in philosophy in 1996 and professor of philosophy of physics in 2006.