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At:
ma-join-list-feasible2 1. MsgA List
2. u : MsgA
3. v : MsgA List
4. (A,Bv.A ||+ B) (Av.Feasible(A)) Feasible((v))
(A,B[u / v].A ||+ B) (A[u / v].Feasible(A)) Feasible(u(v))
By:
Auto
THEN
RWO
Thm*T:Type{i}, x:T, L:T List, P:(TTProp{i'}).
Thm* (x,y[x / L].P(x,y)) (x,yL.P(x,y)) & (yL.P(x,y))
-2
THEN
RWO Thm*P:(TProp), x:T, L:T List. (y[x / L].P(y)) P(x) & (yL.P(y)) -1
THEN
Assert u ||+ (v)