generic specification parameter input+output+state using genglobalinput genglobaloutput genglobalstate genindex target functions OP : index → input × state × state × output → bool; dom : (input × state × state × output → bool) → input × state → bool; dom : (state × globalstate → bool) → state → bool; predicates INIT : state; INP : globalinput × input; OUP : output × globaloutput; FIN : state × globalstate; variables op : input × state × state × output → bool; fin : state × globalstate → bool; st' : state; sp : state → bool; dp : input × state → bool; axioms dom-op : ⊦ dom(op)(inp, st) ↔ (∃ oup, st'. op(inp, st, st', oup)); used for : s, ls; dom-fin : ⊦ dom(fin)(st) ↔ (∃ gs. fin(st, gs)); used for : s, ls; end generic specification