Study of language, like any other discipline, has naturally been developing ever since its inception. But it assumed an accelerated pace from the early twentieth century onwards with two or more paradigm-shifting outlooks, among which the 'socio-contextual surge onto the consideration of language functioning' led to the emergence of an approach…

This book summarizes new directions in mathematics education research on proving at the university level, thereby providing contemporary extensions of the sub-fields of proof that Annie and John Selden introduced to the field. The chapters each describe an emerging new area of proof research, review the relevant findings in this area, present open…