 Another point of contention was the relative position of "iman" ("faith") vs. "taqwa" ("piety").Such schools of theology are summarized under "Ilm al-Kalam", or "science of discourse", as opposed to mystical schools who deny that any theological truth may be discovered by means of discourse or reason.Sunni Muslims are the largest denomination of Islam and are known as "Ahl as-Sunnah wa’l-Jamā‘h" or simply as "Ahl as-Sunnah".