Conditional Statement

Pronunciation: /kənˈdɪ ʃə nl ˈsteɪt mənt/ Explain

The statement, "If A then B," is a conditional statement.[1] It says the B is true whenever A is true. In this statement A is the condition or criterion. B is the claim.


"If a triangle is equilateral, then all the angles are equal."

"a triangle is equilateral" is the condition.

"all the angles are equal" is the claim.


  1. conditional. Encyclopedia Britannica. Merriam-Webster. Last Accessed 8/6/2018.
  2. Gardner, Martin. Logic Machines and Diagrams. pg 64. McGraw-Hill Book Company. 1958. Last Accessed 8/6/2018. Buy the book
  3. Lightfoot, Rev. John. Elementary Logic for University and Certificate. pg 43-44. Ralph, Holland & Co.. 1905. Last Accessed 8/6/2018. Buy the book

Cite this article as:

McAdams, David E. Conditional Statement. 6/25/2018. All Math Words Encyclopedia. Life is a Story Problem LLC.

Revision History

6/25/2018: Removed broken links, updated license, implemented new markup, updated GeoGebra apps. (McAdams, David E.)
1/18/2010: Added "References" and removed section on concentric circles. (McAdams, David E.)
3/25/2008: Added color text for emphasis. (McAdams, David E.)
9/3/2007: Initial version. (McAdams, David E.)

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