It's premesis, not premise!
From Dictionary.com:
prem·ise /ˈprɛm
ɪs/ Pronunciation Key - Show Spelled Pronunciation[prem-is]
| 1. | Also, premiss. Logic. a proposition supporting or helping to support a conclusion. |
| 2. | premises, | a. | a tract of land including its buildings. | | b. | a building together with its grounds or other appurtenances. | | c. | the property forming the subject of a conveyance or bequest. | |
| 3. | Law. | a. | a basis, stated or assumed, on which reasoning proceeds. | | b. | an earlier statement in a document. | | c. | (in a bill in equity) the statement of facts upon which the complaint is based. | |
–verb (used with object) | 4. | to set forth beforehand, as by way of introduction or explanation. |
| 5. | to assume, either explicitly or implicitly, (a proposition) as a premise for a conclusion. |
–verb (used without object) | 6. | to state or assume a premise. |
—Synonyms 1. assumption, postulate. 5. postulate, hypothesize.