identification concept argues that the mind is equal to the mind and that mental occasions are equal to brain events, in the end the concept enlightens materialism in that the whole lot is physical and to in addition precision it enlightens cloth monism in believing that best cloth materials and their states exist (okay. t. maslin, 2007, 65). to a degree it exemplifies physicalism that people are completely fabric beings that can be defined the use of preferably complete physics which it’s far essential to factor out do no longer presently exist. the idea in precis states that once we enjoy some thing in our minds it will likely be identical to an occasion within the mind, for instance ache might be skilled at the same time because the firing of c-fibres within the brain (gareth southwell, 2009, http://www.philosophyonline.co.uk). in this essay i can in addition discuss the one-of-a-kind variations of the identification principle which include kind-kind and token-token. and i can show that regardless of strengths which include explaining why changes inside the mind thru injury or otherwise accompany alterations within the intellectual functioning no model of the identification concept of thoughts are in the end perfect because of its incapability to give an explanation for the locations of mind or emotions, the unconscious or conscious states, the qualia of reviews or the intentional intellectual states with in addition critique by the american logician kripke. there are two styles of identity principle and the first one i can speak is the sort-kind identity concept. this idea believes that any given mental state may be identical to a brain kingdom (k. t. maslin, 2009, sixty eight). this concept attempts to pick out the relationship of mental phenomena with bodily procedures inside the brain. this theory utilises the discoveries of technological know-how as same with the possible connections of intellectual states with mind states, it states that the discovery of water as an element of oxygen and hydrogen as well as the identity of physical phenomena along with lightning with the pattern of electrical discharges it may connect the experience and feeling of ache with the physical procedure in the mind and significant fearful system of the firing of c-fibres. the extension of this theory places impetus on reductionism. this is wherein it is argued that the meanings of different intellectual and bodily terms precisely suit at their middle standards. this can be defined in phrases of water and h20, groups of phenomena that seem numerically contrasting become one set of existents and now not . in the end they country that intellectual and physical principles will become a single sort of property described by one-of-a-kind terminologies. they believe the authentic nature of phenomena can be provided via the base to which it’s miles decreased for instance pain can be reduced to the behaviour of neurons inside the vital nervous machine. the second kind of identity theory is the token-token identity principle. this believes there are individual differences in people and animals for brain and intellectual states (okay. t. maslin, 2007, 70). it states that while token intellectual states are identical to token bodily states in special individuals they may be distinctive styles of states, as an instance pain may also result in c-fibre stimulation in a single character and z-fibre stimulation in another (dr crawford, 2009, three). i in my view think that this theory tries to give an explanation for the differences in individuals minds in extension of the pain instance i consider this principle tries to give an explanation for the specific threshold in ache for special individuals, while it nevertheless may be the same mental idea and mind reactions it takes a few human beings extra even as others much less pain to trigger the stimulation in their corresponding fibres whether or not it’s c, x or y.>