Nuprl - Proof: ma-ds-sub

IF YOU CAN SEE THIS go to http://www.cs.cornell.edu/Info/People/sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: ma-ds-sub

M1,M2:MsgA, x:Id. M1

(M2.ds(x)

r M1.ds(x))

By:	Auto THEN Unfold_MsgA -4 THEN Unfold_MsgA -3 THEN ExRepD THEN BackThru Thm* eq:EqDecider(X), f,g:x:X fp-> Type, x:X. g f (f(x)?T r g(x)?Top)

Generated subgoals:

None

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IF YOU CAN SEE THIS go to http://www.cs.cornell.edu/Info/People/sfa/Nuprl/Shared/Xindentation_hack_doc.html