Value and pertinence of “learning as argumentation” are
treated in this article in relation with today’s objectives of Science
Education. The topic is framed within a contemporary line of research highly
promissory in this field of knowledge. Also in relation with this line of
research, Stephen Toulmin's philosophical contributions are mentioned, as
well as the deep value of his ideas as the epistemological basis for research
and innovation proposals in Science Teaching and Learning in the 21st
century.ents.