k:Knd, l:IdLnk, ds:x:Id fp-> Type, da:a:Knd fp-> Type,
  f:(tg:IdState(ds)ma-valtype(da; k)(da(rcv(l; tg))?Void List)) List.
  xdom(ds). A=ds(x)   A
  
  kdom(da). A=da(k)   A  Feasible(ma-single-sends(ds; da; k; l; f))

By:

((ProveItFeasible THEN DVar `da' THEN Reduce 0 THEN DVar `ds' THEN Reduce 0 ((THEN ((All (i.Repeat (Unfolds [`fpf-all`;`fpf-ap`;`fpf-dom`] i) THEN Reduce i) ((THEN ((Try BackThruSomeHyp ((THEN ((DupHyp -1 ((THEN ((RWO Thm* eq:EqDecider(A), L:A List, x:A. deq-member(eq;x;L)  (x  L) -1) (THEN (OrLeft) THEN Try BackThruSomeHyp

None

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