Solipsism, Extreme Religiosity and Belief by Andrew P. Keltner for The GCAS Review Introduction Extreme religiosity is, in its nature an extreme ideal and is a form of solipsism, both of which are counter to the intersubjective methods of thought. The natural connection here, is that they are diametrically opposed to one another, that being solipsism and religiosity together compared to intersubjectivity. This is an evaluation of the argumentative methods of solipsistic behavior and tendencies by an intersubjective deconstructionists point of view. While I understand that a person cannot ever show themselves to be a true solipsist, it is 1) the method of thinking and 2) the higher order of law, that is followed that is solipsistic. Perhaps this is only in theory, and is something that should be understood more as an idealism. Albeit one of the most unaware self-segregating manners, an ostracisation of others and their views. What this paper aims to do is define solipsism, make use of empirical studies of extreme religiosity, and reconcile those two pieces of knowledge. Certain presuppositions in the work are that belief and religion and closely intertwined concepts, as are faith and belief. As well, there is a presupposition that belief leads to behavior/action and that extreme belief is more subjective than intersubjective and objective and that this type of belief system is practically concerned, more negative than positive behavior/action. Finally, there is also an inclusion of ‘extreme intersubjective’ as a mode of thought to highlight the difference of logical probability to truth as compared to solipsism, which again, this paper finds as closely related to extreme religiosity, or belief. Solipsism in Ideal Form Simply defined, solipsism is a way a person sees the world. It is that the solipsist is the only one who interpret their mental functioning and experiences. It is a rejection of intersubjective