A:Type, I:MaInterface(A), i:Id.
(i  ma-interface-locs(I))
 ((ma-interface-loc(I;i)))
 (ma-interface-conds(I;i)  k:Knd fp Void) 

latex

Definitions	a:A fp B(a), ff, tt, i <z j, b, i z j, if b then t else f fi , nth_tl(n;as), hd(l), i  j < k, Y, ||as||, {i..j}, l[i], Knd, ma-interface-conds(I;i), S  T, False, A  B, A c B, , x:A. B(x), P & Q, t  T, A, (x  l), P  Q, x:A. B(x), {T}, , P  Q
Lemmas	nil member, length wf2, non neg length, IdLnk wf, select member, ma-interface wf, ma-interface-locs wf, Id wf, ma-interface-loc wf, not wf, assert-ma-interface-loc, hasloc wf, ma-interface-dom wf, l member wf, Knd wf, select wf, length wf1, nat wf, assert wf, not functionality wrt iff