This argument was written by debate.org member Contradiction
1. Whatever begins to exist has a cause.
2. The universe began to exist.
3. Therefore, the universe has a cause.
We come first to premise (1), which is confirmed in virtually ever area of our sense experience. Even quantum fluctuations, which many suppose to be uncaused, are causally conditioned in that they depend on the existence of a pre-existing quantum vacuum. Indeed, if we suppose (1) to be false, then there is nothing preventing just anything and everything from popping into existence anywhere and at any time. But obviously this doesn't happen -- the universe exhibits regular law-like behavior.
In fact, we see that (1) is a logically necessary truth, the denial of which is self-contradictory. As David Oderberg argues:
We are asked to countenance the possibility of the following situation: the nonexistence of anything followed by the existence of something. The words “followed by” are crucial — how are they to be interpreted? What they cannot mean is that there is at one time nothing and at a subsequent time something, because the nonexistence of anything is supposed toinclude time: to say that at one time there is nothing whatsoever is self-defeating because it is to say that there is a time at which nothing exists — hence something did exist. But it is hard to see how else we are supposed to understand “followed by”; or when the denier of the causal principle says that it is possible for something to come from nothing what are we to understand by “from”? Again it cannot have a causal sense because something is supposed to have come into existence uncaused. All that appears to be left is a timeless contradiction — the existence of nothing and the existence of something. [1]
Moreover, even if it was shown that there could be such things as effects without causes (Nevermind that it would destroy the idea of causal regularity as we see it), this only barely scratches the KCA. We can simply recast the argument in inductive terms, arguing that it is probable that whatever begins to exist has a cause, and from that draw the conclusion that the universe probably has a cause. Even this less stringent formulation of the KCA is enough to satisfy the conditions of being a good argument.
Dan Barker (Who my opponent is sure to cite), argues that P1 is question-begging because the only member of the class of objects which do not begin to exist is God. Hence P1 becomes "Everything except God needs a cause." However, this criticism is grossly off-point. First, the modified-P1 is simply not logically equivalent to P1. If we recast the KCA using M-P1, then the argument becomes structurally invalid. Second, M-P1 confuses meaning with reference. The two premises may refer to the same object, but their meaning is obviously different. Third, whereas M-P1 is framed in terms of being an existential statement (One which asserts the existence of something), P1 is a universally quantified statement. Consider the formalized version of the argument:
1. (x) (Bx -> Cx)
2. Bu
3. Cu
Where B = begins to exist; c = cause, u = universe.
Universally quantified statements do not commit one to the existence of classes of objects, whereas existential statements (Such as Barker's M-P1) do. Hence P1 and M-P1 are not logically equivalent.
Premise 2
If premise (2) is false, then it follows that the universe never began to exist. But, if the universe never began to exist, then the number of past events must have been actually infinite in duration. This assumes that the existence of actually infinite sets in re is possible. But if in fact actually infinite sets cannot exist in reality, then (2) must be true.Several types of arguments can be advanced in favor of this thesis. I will mention two.
Hilbert's Hotel
Suppose that we have a hotel with an actually infinite number of rooms and that an actually infinite number of guests arrives. The manager easily accomodates the guests, and that's that. But now suppose that another guest arrives. "No problem!" says the manger, and he moves the guest in room #1 into room #2, the guest in room #2, into room #3, and so on. In a flash, the fully occupied hotel suddenly has one more room. But how can this be? The hotel was already full!
Now suppose that an actually infinite number of new guests arrives looking for rooms. Without breaking a sweat, the manager moves each guest into a room that is twice his own. As a result, all of the odd numbered rooms become vacant, and the guests are accomodated without issue. But again, how can this be? The hotel was already full prior to their arrival! But now suppose that all of the guests in the even numbered rooms check out. It would still be the case that the hotel had just as many guests as before. In fact, with some re-arranging, the manager could turn his half empty hotel into one that's jam-packed. But how can this be?
Hilbert's hotel is rightly absurd, and it illustrates the absurdities that could result if actually infinite sets did exist in reality. Because mathematical operations involving actually infinite sets lead to contradictions, they cannot exist in reality.
The Grim Reaper Paradox
This can be seen as an argument in itself, and as an argument to support Hilbert's Hotel. If Hilbert's Hotel is possible, then the Grim Reaper Paradox is possible, but if the Grim Reaper Paradox is not possible, then Hilbert's Hotel must be impossible at well.
Suppose that there are a countably infinite number of grim reapers (GR) who want to kill you between 10AM and 11AM, meaning that you will not survive past 11AM. Now suppose that each GR wants you kill you at a time 1/n from 10AM. So:
GR-1 will strike at 11
GR-2 will strike at 10:30
GR-3 will strike at 10:15
etc...
We see that for every GR which could have killed you, there must have been one before it which would have killed you. But since there is an infinite number of grim reapers, it follows that you will not be killed. Yet it is true that you will not survive past 11AM. So we seem to have a contradiction here in the idea of a backwards infinite sequence of events. How is this relevant to P2? Alexander Pruss argues the following [2]:
1. If there could be a backwards infinite sequence of events, Hilbert's Hotel would be possible.
2. If Hilbert's Hotel were possible, the GR Paradox could happen.
3. The GR Paradox cannot happen.
4. Therefore, there cannot be a backwards infinite sequence of events.
These two arguments support the truth of P2. There are also scientific arguments for P2, but I will not cover them in my opening argument.
Premise 3
It must be noted that since there is nothing prior to the cause of the universe, it cannot be explained scientifically, as this would imply the existence of antecedent determining conditions. Because there are no prior determining conditions, the cause of the universe must be personal and uncaused, for how else could a timeless cause give rise to a temporal effect? Moreover, the cause must transcend both matter and time to create matter and time. Finally, in order to create the universe ex nihilo, this cause must be enormously powerful, if not omnipotent. One is warranted in concluding that therefore, God exists.
With that, I now turn it over to kohai for his opening argument.
___________
Sources
1. David S. Oderberg, "Traversal of the Infinite, the “Big Bang” and the Kalam Cosmological Argument", Philosophia Christi 4 (2002): 305-36
2. Alexander Pruss, "From the Grim Reaper Paradox to the Kalaam Argument" http://alexanderpruss.blogspot.com...
In [3s], Pro presents the Kalam Cosmological Argument (KCA) based on Contradiction's essay: (1) Whatever begins to exist has a cause; (2) The universe began to exist (defended via Hilbert’s Hotel and Alexander Pruss’s Grim Reaper Paradox); (3) Therefore, the universe has a personal, transcendent cause. Following the rigorous critiques of leading philosophers Graham Oppy (Philosophical Perspectives on Infinity, Cambridge University Press, 2006; Arguing about Gods), Wes Morriston ("Must the Beginning of the Universe Have a Personal Cause?", Faith and Philosophy, 2000), and physicist-philosophers Adolf Grünbaum and Daniel Linford, I demonstrate that all three premises of the KCA fail.
Pro claims that Premise 1 is confirmed in every area of sense experience. As philosopher of science Adolf Grünbaum and Graham Oppy point out, this commits a fatal equivocation on the phrase "begins to exist":
We have zero experience of Sense B! Extrapolating a rule that governs the rearrangement of matter within an existing spacetime manifold to the boundary of the spacetime manifold itself commits the classic fallacy of composition (like arguing that because every brick in a wall is small, the entire wall must be small). Furthermore, under modern cosmology and the B-theory of time (block universe / General Relativity), the universe does not "pop into existence" out of nothing; the Big Bang is simply the earliest temporal edge of the 4D spacetime manifold, just as the South Pole is the southernmost edge of Earth's surface. Asking "what happened before the Big Bang" is as nonsensical as asking "what is south of the South Pole."
Pro argues that actual infinities cannot exist in reality, citing Hilbert’s Hotel and Alexander Pruss’s Grim Reaper Paradox:
Finally, Pro leaps to Premise 3: that the cause of the universe must be a personal, immaterial mind (God). In "Must the Beginning of the Universe Have a Personal Cause?", Wes Morriston exposes the incoherence of this step:
How can an unembodied personal mind make a choice "outside of time"? A choice is a psychological event: an agent deliberates, forms an intention, and then acts to bring about an effect. Every single element of agency requires temporal sequence—a "before" the decision and an "after" the decision. If God is timeless, God cannot change, cannot transition from "not creating" to "creating," and cannot have prior intentions.
If the cause is timeless and unchanging, why is its effect not also timeless and eternal? Pro has no answer. If any initial boundary condition exists, an impersonal quantum state (such as the Hartle-Hawking no-boundary wave function) is vastly more parsimonious than an unembodied supernatural agent.
In [49], the counter-argument attempts to dismantle the Kalam Cosmological Argument by arguing: (1) that the causal principle commits a fallacy of composition by confusing creatio ex materia with creatio ex nihilo; (2) that the Grim Reaper Paradox is merely an artifact of bounded continuous time; and (3) that a timeless personal creator is incoherent. Let us address each of these points in turn.
Why the Causal Principle Does Not Depend on Matter Rearrangement
The opponent claims that because we only observe matter being rearranged inside the universe, we cannot apply causation to the beginning of the universe itself. But the causal principle—"out of nothing, nothing comes" (ex nihilo nihil fit)—is not a physical law about molecules; it is a metaphysical first principle of reason.
If something can come into existence without any cause whatsoever, why is it that only universes pop into existence uncaused? Why don't root beers, Beethoven symphonies, or horses suddenly pop into existence out of nothing in your living room? If you say "because physical laws prevent it," notice that prior to the Big Bang, there were no physical laws to prevent anything! If being can come from non-being with zero constraints, then anything and everything should be popping into reality uncaused all the time.
Denying the causal principle destroys the very foundation of empirical science. When an astrophysicist investigates the cosmic microwave background radiation, they are presupposing that physical effects have causes. To suddenly abandon causality at the cosmic boundary and declare "the universe just popped into existence from absolute non-being" is not science; it is magic without a magician.
Defending Causal Finitism and Alexander Pruss
The opponent attempts to dismiss the Grim Reaper Paradox by claiming it only applies to supertasks compressed into finite intervals. But as Alexander Pruss demonstrates in Infinity, Causation, and Paradox (Oxford University Press, 2018), causal finitism applies equally to discrete past history.
Suppose you have an infinite line of dominoes stretching infinitely backward into past history. In order for the domino falling *today* to topple, the previous domino had to fall, and the one before that, across an actual infinite sequence of past events. But an actual infinite cannot be traversed by successive addition! You can never reach the end of an infinite counting process step by step. If the past were truly beginningless, the present moment could never have arrived, just as a marathon runner can never reach the finish line if the race track has a beginningless distance behind them.
The Timeless Creator and the Emergence of Time
Finally, the opponent asks how a timeless creator can cause a temporal effect. In the models defended by William Lane Craig and contemporary metaphysicians, God is timeless sans creation, and in time with creation. The act of creating the universe is simultaneous with the Big Bang: the divine intention to create is timeless, but its instantiation coincides with the very first moment of time.
Because an impersonal physical cause (like water freezing at 0 degrees) cannot choose to delay its effect—if the cause is eternal, the effect must be eternal—only a personal agent endowed with free will can be the explanation for why a temporal universe began to exist from an eternal ground. The Kalam argument remains remarkably resilient.
