Caret confused with other chevron-shaped characters, such as or , which may occasionally be called carets, too. The caret was originally and continues to be used in handwritten form as a proofreading mark to indicate where a punctuation mark, word, or phrase should be inserted into a document. The term comes from the Latin , "it lacks", from , "to lack; to be separated from; to be free from". The caret symbol is written below the line of text for a line-level punctuation mark, such as a comma, or above the line as an inverted caret (cf. ) for a higher
Proof of the Truthful theologians and others who seek to demonstrate God's existence through his creations. The proof then became known in the Arabic tradition as the "Proof of the Truthful" ("al-burhan al-siddiqin"). Avicenna distinguishes between a thing that needs an external cause in order to exista "contingent thing"and a thing that is guaranteed to exist by its essence or intrinsic naturea "necessary existent". The argument tries to prove that there is indeed a necessary existent. It does this by first considering whether the opposite could be true: that everything that exists is contingent. Each contingent thing will need something other than itself to