Why is there anything at all?

"Why is there anything at all?" or "Why is there something rather than nothing?" is a question about the reason or explanation for basic existence which has been raised or commented on by a range of philosophers and physicists, including Gottfried Wilhelm Leibniz,"Principles of Nature and Grace", 1714, Article 7. Ludwig Wittgenstein,"Not how the world is, is the mystical, but that it is", Tractatus Logico-Philosophicus 6.44 and Martin Heidegger,"Why are there beings at all, and why not rather nothing? That is the question." What is Metaphysics? (1929), p. 110, Heidegger. who called it "the fundamental question of metaphysics".Martin Heidegger, Introduction to Metaphysics, Yale University Press, New Haven and London (1959), pp. 7–8.

Introductory points

There is something No experiment could support the hypothesis "There is nothing" because any observation implies the existence of an observer.

Defining the question The question is usually taken as concerning practical causality (rather than a moral reason for), and posed totally and comprehensively, rather than concerning the existence of anything specific, such as the universe or multiverse, the Big Bang, God, mathematical and physical laws, time or consciousness. It can be seen as an open metaphysical question, rather than a search for an exact answer.

On timescales The question does not include the timing of when anything came to exist.

Some have suggested the possibility of an infinite regress, where, if an entity cannot come from nothing and this concept is mutually exclusive from something, there must have always been something that caused the previous effect, with this causal chain (either deterministic or probabilistic) extending infinitely back in time.

Arguments against attempting to answer the question

The question is outside our experience

Philosopher Stephen Law has said the question may not need answering, as it is attempting to answer a question that is outside a spacetime setting while being within a spacetime setting. He compares the question to asking "what is north of the North Pole?"

Causation may not apply The ancient Greek philosopher Aristotle argued that everything in the universe must have a cause, culminating in an ultimate uncaused cause. (See Four causes.)

However, David Hume argued that a cause may not be necessary in the case of the formation of the universe. Whilst we expect that everything has a cause because of our experience for the necessity of causation, the formation of the universe is outside our experience and may be subject to different rules.David Hume argues that our demand that things have causes "is not from knowledge or any scientific reasoning," but from "observation and experience". Hume, Treatise of Human Nature, Part III, Section III, "Why a cause is always necessary", p. 82. It may be that what we observe in our own experience may not apply in some other situations. Kant supported and extended Hume's argument.

We may only say the question because of the nature of our minds Kant argues that the nature of our mind may lead us to ask some questions (rather than asking because of the validity of those questions).

The brute fact approach

In philosophy, the brute fact approach proposes that some facts cannot be explained in terms of a deeper, more "fundamental" fact.Ludwig Fahrbach. "Understanding brute facts," Synthese 145 (3):449 - 466 (2005). It is in opposition to the principle of sufficient reason approach.

On this question, Bertrand Russell took a brute fact position when he said, "I should say that the universe is just there, and that's all." Sean Carroll similarly concluded that "any attempt to account for the existence of something rather than nothing must ultimately bottom out in a set of brute facts; the universe simply is, without ultimate cause or explanation."

The question may be impossible to answer Roy Sorensen has discussed that the question may have an impossible explanatory demand, if there are no existential premises.Sorensen writes in the Stanford Encyclopedia of Philosophy that to many philosophers the question is intrinsically impossible to answer, like squaring a circle, and even God does not sufficiently answer it:

Explanations

Something may exist necessarily

Philosopher Brian Leftow has argued that the question cannot have a causal explanation (as any cause must itself have a cause) or a contingent explanation (as the factors giving the contingency must pre-exist), and that if there is an answer, it must be something that exists necessarily (i.e., something that just exists, rather than is caused).

Natural laws may necessarily exist, and may enable the emergence of matter

Philosopher of physics Dean Rickles has argued that numbers and mathematics (or their underlying laws) may necessarily exist. If we accept that mathematics is an extension of logic, as philosophers such as Bertrand Russell and Alfred North Whitehead did, then mathematical structures like numbers and shapes must be necessarily true propositions in all possible worlds.Physicist Max Tegmark's speculative mathematical universe hypothesis states that all mathematical structures exist physically, and the physical universe is one of these structures.

Physicists, including popular physicists such as Stephen Hawking and Lawrence Krauss, have offered explanations (of at least the first particle coming into existence aspect of cosmogony) that rely on quantum mechanics, saying that in a quantum vacuum state, virtual particles and spacetime bubbles will spontaneously come into existence.Theories of the events at the earliest stages of universes existence continue to develop, including the Big Bang, initial singularity, Big Bounce and associated possible distortions of cessations of time. The actual mathematical demonstration of quantum fluctuations of the hypothetical false vacuum state spontaneously causing an expanding bubble of true vacuum was done by quantum cosmologists in 2014 at the Chinese Academy of Sciences. Although some, like Edward Feser, argue that this doesn't answer the question of being.

A necessary being bearing the reason for its existence within itself Gottfried Wilhelm Leibniz attributed to God as being the necessary sufficient reason for everything that exists (see: Cosmological argument). He wrote:"Why is there something rather than nothing? The sufficient reason... is found in a substance which... is a necessary being bearing the reason for its existence within itself."Monadologie (1714). Nicholas Rescher, trans., 1991. The Monadology: An Edition for Students. Uni. of Pittsburgh Press. Jonathan Bennett's translation. Latta's translation.

A state of nothing may be impossible

The pre-Socratic philosopher Parmenides was one of the first Western thinkers to question the possibility of nothing, and commentary on this has continued.

A state of nothing may be unstable Nobel Laureate Frank Wilczek is credited with the aphorism that "nothing is unstable." Physicist Sean Carroll argues that this accounts merely for the existence of matter, but not the existence of quantum states, space-time, or the universe as a whole.

It is possible for something to come from nothing

Some cosmologists believe it to be possible that something (e.g., the universe) may come to exist spontaneously from nothing. Some mathematical models support this idea, and it has been a more prevalent explanation among the scientific community for why the Big Bang occurred.

Other explanations Robert Nozick proposed some possible explanations.Nozick outlined several possible answers to the question:

Self-Subsumption: "a law that applies to itself, and hence explains its own truth." The Nothingness Force: "the nothingness force acts on itself, it sucks nothingness into nothingness and produces something." "Imagine this force as a vacuum force, sucking things into nonexistence or keeping them there. If this force acts upon itself, it sucks nothingness into nothingness, producing something or, perhaps, everything, every possibility. If we introduced the verb “to nothing” to denote what this nothingness force does to things as it makes or keeps them nonexistent, then (we would say) the nothingness nothings itself." Philosophical Explanations, Robert Nozick The Principle of Indifference: establishes that nothing is a possibility among the n possibilities of having something. Then "the probability that there is something is n/(n +1) if n is finite and 1 if n is infinite." Fecundity: "Every possibility—including the possibility that there is nothing—exists in its own independent noninteracting realm."

Also discussed here;

Mariusz Stanowski explained: "There must be both something and nothing, because separately neither can be distinguished".

Humour Philosophical wit Sidney Morgenbesser answered the question with an apothegm: "If there were nothing, you'd still be complaining!",There are two errors in the title of this book: A sourcebook of philosophical puzzles, paradoxes and problems, Robert M. Martin, p. 4, or "Even if there was nothing, you still wouldn't be satisfied!"

Why is there anything at all?

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