A second order theory based on the same principle ( see next section ) can account for this observation, but this approach is still unsatisfactory.
2.
K . Ahmed, S . E . Gustafsson, M . A Chohan and A . Maqsood, Transient hot strip method for measuring thermal conductivity and specific heat of solids and fluids : Second order theory and approximation for short times, J . App.
3.
Among his important articles : " Nominalism and Conceptualism as Predicative Second Order Theories of Predication ", " Notre Dame Journal of Formal Logic ", vol . 21 ( 1980 ); " Richard Montague and the Logical Analysis of Language ", in " Contemporary Philosophy : A New Survey ", vol . 2, " Philosophy of Language / Philosophical Logic ", G . Fl�istad, ed ., Martinus Nijhoff, The Hague ( 1981 ) and " The Development of the Theory of Logical Types and the Notion of a Logical Subject in Russell's Early Philosophy ", " Synth�se ", vol . 45 ( 1980 ).