gf-3.6: lib/src/api/SymbolicEst.gf
--# -path=.:present:mathematical:prelude resource SymbolicEst = Symbolic with (Symbol = SymbolEst), (Grammar = GrammarEst) ;
--# -path=.:present:mathematical:prelude resource SymbolicEst = Symbolic with (Symbol = SymbolEst), (Grammar = GrammarEst) ;