(9steps total) PrintForm Definitions Lemmas DiscreteMath Sections DiscrMathExt Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: card nat vs nat tuples all 1

  ((k:{k:| 0 = k   }k)+(k:{k:0 = k   }k)) ~ 

By: ml_RWH_ooc_chain{:s, 0:s, true:s}
ml_RWH_ooc_chain((k:{k:| 0 = k   }k | k:1k | 0 | 1))
THEN
ml_RWH_ooc_chain{:s, 0:s, true:s}
ml_RWH_ooc_chain((k:{k:0 = k   }k | k:k | ))


Generated subgoals:

1   (k:{k:| 0 = k   }k) ~ (k:1k)
1 step
2   (k:1k) ~ (0)
1 step
3   (0) ~ 1
1 step
4   (k:{k:0 = k   }k) ~ (k:k)
2 steps
5   (k:k) ~ 
1 step
6   (1+) ~ 
1 step

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

(9steps total) PrintForm Definitions Lemmas DiscreteMath Sections DiscrMathExt Doc