resource fixes

lib/resource/english/MathEng.gf

@@ -24,13 +24,7 @@ lin
   SymbTwo  = infixSS "and" ;
   SymbMore = infixSS "," ;
 
-
-  LetCN x cn = {
-    s = \\_ => "let" ++ x.s ++ "be" ++ (indefNounPhrase singular cn).s ! NomP
-    } ;
-  LetNumCN x nu cn = {
-    s = \\_ => "let" ++ x.s ++ "be" ++ (indefNounPhraseNum plural nu cn).s ! NomP
-    } ;
+  LetImp x np = {s = \\_ => "let" ++ x.s ! NomP ++ "be" ++ np.s ! NomP} ;
   ExistNP np = predVerbClause
                  (nameNounPhraseN (fromAgr np.a).n (nameReg "there" Neutr))
                  (regV "exist")

lib/resource/english/SyntaxEng.gf

@@ -1195,7 +1195,7 @@ oper
   questClause : Clause -> Question = \cl -> 
     {s = \\b,c => table {
        DirQ   => cl.s ! Inv ! b ! c ;
-       IndirQ => cl.s ! Dir ! b ! c
+       IndirQ => "if" ++ cl.s ! Dir ! b ! c
        }
     } ;
 {- --vg