text: " "In pursuing the supposed investigation (into the operation of reasoning )" says Archbishop Whately "it will be found that every conclusion is deduced in reality from two other propositions (thence called _Premisses_;) for though one of these may be and commonly is suppressed it must nevertheless be understood as admitted as may easily be made evident by supposing the _denial_ of the suppressed premiss which will at once invalidate the argument; _e