- gunmace
- x
_{1}is a mass/group consisting of elements x_{2}, x_{3}, x_{4}, etc. - lairsume
- x
_{1}is exactly x_{2}(number) of the arguments x_{3}, x_{4}, x_{5}, etc. - porsice
- x
_{1}is an ordered sequence consisting of elements x_{2}, x_{3}, x_{4}, etc. - setmice
- x
_{1}is a set (mathematical) consisting of elements x_{2}, x_{3}, x_{4}, etc.