What is the theory of mutual deterrence?

Who uses the SWord(or nuclear weapons) will be killed by the sWord(by nuclear weapons).Because we like our lives und dont want to be killed,we will not take the risk to start a war.Mutual deterrence ist the "law of rationality"Suicid is irrational.

Theory of mutual deterrence becomes obsolet,when religious fanatism

eliminates the fear to die.

Mutual deterrence theory is based on the "equilibrium of Powers"

It does not work efficiently for Peacekeeping politics,when there is no perfect

Information about real military potentials (own and others).Believed Superiority

might cause an attack with convential weapons.A nuclear war has no winners

at all.Mutual deterrence therefore is the Strategie to prevent the total selfextinction of all mankind.