public void AddInputSymbol(Char symbol) { if (!InputsSymbols.Contains(symbol)) { InputsSymbols += symbol; } }
public Boolean ExistInputSymbol(Char symbol) => InputsSymbols.Contains(symbol);
public void AddInputSymbol(Char symbol) { if (!InputsSymbols.Contains(symbol)) { InputsSymbols += symbol; } }
public Boolean ExistInputSymbol(Char symbol) => InputsSymbols.Contains(symbol);