“They discussed if they could settle the problem without other's help."

  • Englishmypassion

    Senior Member
    India - Hindi
    Yes, "if" is widely used and accepted in situations where "whether" is preferred/recommended by grammarians. I think using "if" is more common in, though not limited to, informal English, while "whether" is more formal. However, I prefer "whether" -- it does away with the (supposed) ambiguity.
     
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