| − | Monism refers to the philosophical view that there is only one type of material. While this could be physical (see: eliminative materialism), monism is generally used to refer to the school of thought where only the spiritual substance exists. | + | Monism refers to the philosophical view that there is only one type of material. While this could be physical (see: eliminative materialism), monism is generally used to refer to the school of thought where only the spiritual substance exists. These monists are often philosophical skeptics: because they think, they know the mind exists, but everything else could be illusory. |