Def i<j == if i<j true ; false fi

is mentioned by

Thm* r:, L:Top List. ||nth_tl(r;L)|| = if r<||L|| ||L||-r else 0 fi

[general_length_nth_tl]

In prior sections: bool 1 sqequal 1 list 1 mb nat mb list 1 mb list 2

Try larger context: EventSystems IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html