title: Proviso
text: # Proviso
  
  Proviso means a conditional provision to an agreement. It may refer to
  
  * Proviso Township, Cook County, Illinois, United States
     * Proviso Township High Schools District 209 that comprises
        * Proviso East High School
        * Proviso West High School
        * Proviso Mathematics and Science Academy
  * Wilmot Proviso, an American law to ban slavery in annexed territory from Mexico proposed by David Wilmot in the 1840s
  * Lockean proviso, a feature of John Locke's labour theory of property
  