“…A related approach replaces assignments with sequences of individuals, updated via a monotonic operation like sequence extension, as in (11), where 'e y' is the sequence e extended with the individual y. Proposals along these lines have been discussed by Vermeulen (1993Vermeulen ( , 1995, Dekker (1994), Groenendijk, Stokhof & Veltman (1996), Bittner (2001), van Eijck (2001), de Groote (2006, Nouwen (2007), Brasoveanu (2007), Charlow (2014, Bumford (2015), Nouwen et al (2016), and others. 3 λe.…”