In one sense d'Alembert was justified but on the other hand his work was usually so muddled that Euler could not follow it and resorted to starting from scratch to clarify the problem being solved.
Sa isang kahulugan d'Alembert ay justified ngunit sa iba pang mga kamay sa kanyang trabaho ay karaniwang kaya muddled na Euler ay hindi sundin ito at sa panimulang resorted mula sa scratch upang linawin ang problema ay malulutas.