Some definitions of interest.
ma-compat	Def A ||+ B == A || B & ma-frame-compatible(A; B) & ma-sframe-compatible(A; B)
msga	Def MsgA Def == ds:x:Id fp-> Type Def == da:a:Knd fp-> Type Def == x:Id fp-> ds(x)?Voida:Id fp-> State(ds)ma-valtype(da; locl(a))Prop Def == kx:KndId fp-> State(ds)ma-valtype(da; 1of(kx))ds(2of(kx))?Void Def == kl:KndIdLnk fp-> (tg:Id Def == kl:KndIdLnk fp-> (State(ds)ma-valtype(da; 1of(kl)) Def == kl:KndIdLnk fp-> ((da(rcv(2of(kl); tg))?Void List)) List Def == x:Id fp-> Knd Listltg:IdLnkId fp-> Knd ListTop
	Thm* MsgA  Type{i'}
l_member	Def (x  l) == i:. i<||l|| & x = l[i]  T
	Thm* T:Type, x:T, l:T List. (x  l)  Prop
ma-join-list	Def (L) == reduce(A,B. A  B;;L)
ma-empty	Def  == mk-ma(; ; ; ; ; ; ; )
ma-join	Def M1  M2 Def == mk-ma(1of(M1)  1of(M2); Def == mk-ma(1of(2of(M1))  1of(2of(M2)); Def == mk-ma(1of(2of(2of(M1)))  1of(2of(2of(M2))); Def == mk-ma(1of(2of(2of(2of(M1))))  1of(2of(2of(2of(M2)))); Def == mk-ma(1of(2of(2of(2of(2of(M1)))))  1of(2of(2of(2of(2of(M2))))); Def == mk-ma(1of(2of(2of(2of(2of(2of(M1))))))  1of(2of(2of(2of(2of(2of( Def == mk-ma(1of(2of(2of(2of(2of(2of(M1))))))  1of(M2)))))); Def == mk-ma(1of(2of(2of(2of(2of(2of(2of( Def == mk-ma(1of(M1)))))))  1of(2of(2of(2of(2of(2of(2of(M2))))))); Def == mk-ma(1of(2of(2of(2of(2of(2of(2of(2of( Def == mk-ma(1of(M1))))))))  1of(2of(2of(2of(2of(2of(2of(2of(M2)))))))))
ma-sub	Def M1  M2 Def == 1of(M1)  1of(M2) & 1of(2of(M1))  1of(2of(M2)) Def == & 1of(2of(2of(M1)))  1of(2of(2of(M2))) Def == & & 1of(2of(2of(2of(M1))))  1of(2of(2of(2of(M2)))) Def == & & 1of(2of(2of(2of(2of(M1)))))  1of(2of(2of(2of(2of(M2))))) Def == & & 1of(2of(2of(2of(2of(2of(M1))))))  1of(2of(2of(2of(2of(2of(M2)))))) Def == & & 1of(2of(2of(2of(2of(2of(2of(M1)))))))  1of(2of(2of(2of(2of(2of(2of( Def == & & 1of(2of(2of(2of(2of(2of(2of(M1)))))))  1of(M2))))))) Def == & & 1of(2of(2of(2of(2of(2of(2of(2of( Def == & & 1of(M1))))))))  1of(2of(2of(2of(2of(2of(2of(2of(M2))))))))
pairwise	Def (x,yL.P(x;y)) == i:||L||, j:i. P(L[j];L[i])
	Thm* T:Type{i}, L:T List, P:(TTProp{i'}). (x,yL.P(x,y))  Prop{i'}

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