Are the 6 Kalimas Part of Islam?

Are the 6 Kalimas Part of Islam? The Six Kalimas: Kalimatut-Tayyibah (The Word of Purity) Arabic: لَا إِلَٰهَ إِلَّا ٱللَّٰهُ مُحَمَّدٌ رَّسُولُ ٱللَّٰهِ Translation: There is no deity but Allah, and Muhammad is the Messenger of Allah. Kalimat-ush-Shahadah (The Word of Testimony) Arabic: أَشْهَدُ أَنْ لَا إِلَٰهَ إِلَّا ٱللَّٰهُ وَأَشْهَدُ أَنَّ مُحَمَّدًا عَبْدُهُ وَرَسُولُهُ Translation:…