Dictionary.com
Thesaurus.com

causa sine qua non

American  
[kou-sah si-ne kwah nohn, kaw-zuh sahy-nee kwey non, kaw-zuh sin-ey kwah nohn] / ˈkaʊ sɑ ˈsɪ nɛ kwɑ ˈnoʊn, ˈkɔ zə ˈsaɪ ni kweɪ ˈnɒn, ˈkɔ zə ˈsɪn eɪ kwɑ ˈnoʊn /

noun

Latin.
  1. an indispensable condition; requisite.


Etymology

Origin of causa sine qua non

Literally, “a cause without which not”

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

His words are: "Atque hinc apparet, quatenus nostrum studium obediendi Deo dici possit causa sine qua non, seu huperetikon ti, id est, quiddam subserviens ad salutem."

From Historical Introductions to the Symbolical Books of the Evangelical Lutheran Church by Bente, F. (Friedrich)

But when his attention was called to this passage, he first eliminated the causa sine qua non and substituted ad vitam aeternam for ad salutem, and afterwards changed this phrase into ad veram pietatem.

From Historical Introductions to the Symbolical Books of the Evangelical Lutheran Church by Bente, F. (Friedrich)

For the same reason Flacius objected to the phrase that good works are necessary as causa sine qua non.

From Historical Introductions to the Symbolical Books of the Evangelical Lutheran Church by Bente, F. (Friedrich)

In his Loci of 1535 he taught that, in the article of justification, good works are the causa sine qua non and are necessary to salvation, ad vitam aeternam, ad salutem.

From Historical Introductions to the Symbolical Books of the Evangelical Lutheran Church by Bente, F. (Friedrich)

The lawyer who asks his client about the "causa sine qua non," or harangues the jury concerning the "ipse dixit" of "de facto" and "de jure," will probably be mulcted for costs on general principles.

From Little Journeys to the Homes of the Great - Volume 12 Little Journeys to the Homes of Great Scientists by Hubbard, Elbert