Full Idea
Although the statement that this table (if it exists at all) was not made of ice, is necessary, it certainly is not something that we know a priori.
Gist of Idea
It is necessary that this table is not made of ice, but we don't know it a priori
Source
Saul A. Kripke (Identity and Necessity [1971], p.180)
Book Reference
'Meaning and Reference', ed/tr. Moore,A.W. [OUP 1993], p.180
A Reaction
One of the key thoughts in modern philosophy. Kit Fine warns against treating it as a new and exciting toy, but it is a new and exciting toy. Scientific essentialism, which I so want to be true, is built on this proposal.