Lovers of literate programming should look at the 'PredImplies'
function from 'category.boot'.  Comments suggest that it
stayed that way for 29 years.


PredImplies(a,b) ==
    --true if a => b in the sense of logical implication
--a = "true" => true
  a=true => true
  a=b => true
  false         -- added by RDJ: 12/21/82
--error()       -- for the time being


-- 
                              Waldek Hebisch
[email protected] 

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