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At: connex iff trichot 1 1

1. T : Type
2. R : TTProp
3. a,b:T. Dec(R(a,b))
4. x,y:TR(x,y R(y,x)
5. a : T
6. b : T
  R(a,b) & R(b,a R(a,b) & R(b,a R(b,a) & R(a,b)


By: (InstHyp [a;b] 4) THEN GenExRepD


Generated subgoals:

1 7. R(a,b)
  R(a,b) & R(b,a R(a,b) & R(b,a R(b,a) & R(a,b)

1 step
2 7. R(b,a)
  R(a,b) & R(b,a R(a,b) & R(b,a R(b,a) & R(a,b)

1 step

About:
decidablefunctionuniversepropandorall
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html

(6steps total) PrintForm Definitions rel 1 Sections StandardLIB Doc