<<< native [ EUnder False (EIdentifier "x") (ESymbol Accent "\8411") , ESymbol Rel "\8800" , EUnder False (EIdentifier "x") (ESymbol Accent "\8411") , ESymbol Rel "=" , EUnder False (EIdentifier "x") (ESymbol Accent "\8411") , ESymbol Rel "=" , EUnder False (EIdentifier "x") (ESymbol Accent "\8411") ] >>> mml $$\underset{⃛}{x}\ne \underset{⃛}{x}=\underset{⃛}{x}=\underset{⃛}{x}$$