Environmental concerns and potential social-economic impacts associated with fossil fuels have turned cities into indispensable entities for supporting energy transitions in China.
As an indispensable economic entity in the electricity market environment, aggregators play the roles of integrating demand side resources, participating in both electricity wholesale and retail markets, collecting data and carrying out statistical analysis, as well as communications with the DSO.
It was also found that the singlet oxygen (1O2) produced subsequently acted as the indispensable light-emitting entity and the ITO was a critical intensification determinant.
In particular, she suggests that we ought not have ontological commitment to all the entities indispensable to our best scientific theories.
One of the most influential arguments for platonism in the philosophy of mathematics is the indispensability argument, according to which quantification over mathematical entities is indispensable to our best theory of the world, and hence we should take mathematical entities to exist.
But revolutionary fictionalism suggests a complication: even if, in some sense, quantification over mathematical entities is indispensable to our best theory of the world, perhaps it is not literal quantification over mathematical entities that is thus indispensable.
Most contemporary philosophers feel entitled to postulate whatever entities are indispensable to their best explanations of well accepted phenomena.
Even though quantification over mathematical entities is indispensable to our best theories of the world (thus, the deflationary nominalist accepts the second premise of the argument), this fact does not entail that these entities exist.
Mathematical entities are indispensable to the best scientific theories.
One must have ontological commitments to all entities that are indispensable to the best scientific theories, and to those entities only (commonly referred to as "all and only").
