“…Remark 3.1. In the previous formulations (Hamana, 2017(Hamana, , 2019Hamana et al, 2020), the lhss of second-order rewrite rules are restricted to Miller's higher-order patterns at second order (Miller, 1991), or their slight extension of deterministic second-order patterns (Libal and Miller, 2016;Yokoyama et al, 2003Yokoyama et al, , 2004. Second-order patterns are meta-terms in which every occurrence of a meta-application is of the form M[x 1 , .…”