The Kalam Cosmological Argument.

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The Kalam cosmological argument is formulated as follows:

    1.    Everything that begins to exist has a cause.
    2.    The universe began to exist.
    3.    Therefore, the universe has a cause.

The argument uses scientific evidence to come to the conclusion that has theological significance. The real question is whether the two premises are more plausibly true than their denials. Whether or not the universe began to exist is precisely a question that science has tried to answer, and as far as our best scientific evidence goes, the universe began to exist.

Premise 1: “Everything that begins to exist has a cause.”

Premise 1 seems to be obviously true. Everyday experience and scientific evidence confirms our first premise, namely, that if something begins to exist it must have a cause. This is more convincing than its negation. The alternative would essentially be to believe that things could pop into being uncaused out of nothing. We clearly wouldn’t consider that to be rational; if a universe can pop into existence out of nothing then why can’t anything else? Again, premise 1 seems obviously true.

Premise 2: “The universe began to exist.”

Premise 2 is supported both by philosophical argument and scientific evidence. Philosophically, one can show that it is not possible to have an infinite regress of past events. It is impossible for an infinite number of things to exist which would suggest that an infinite number of past events cannot exist. The conclusion is that the series of past events must be finite and have had a finite beginning. Scientifically, the evidence is grounded by the Second Law of Thermodynamics and the expansion of the universe. Alexander Vilenkin explains that “any universe which has, on average, been expanding throughout its history cannot be eternal in the past, but must have an absolute beginning” (4).

By far the overwhelmingly accepted scientific model is the Big Bang which says that all physical space, time, matter, and energy came into existence at a finite point some billions of years ago. According to Stephen Hawking, “almost everyone now believes that the universe, and time itself, had a beginning at the big bang” (1).

Now, one shouldn’t deny that alternative theories have been proposed attempting to negate a finite beginning to the universe. However, the Big bang has been widely affirmed within the scientific enterprise unlike  these alternative theories that have commanded, at best, minimal acceptance. As Guth and Vilenkin have shown, namely, that a universe such as ours that is expanding, or in the state of cosmic expansion, must have had a finite beginning. Vilenkin explains that scientists “can no longer hide behind a past-eternal universe. There is no escape, they have to face the problem of a cosmic beginning” (2). Moreover, our evidence from the Second Law of Thermodynamics persuasively shows that in the future the universe will end up being in a cold, dark state. However, if one accepts a universe that has existed eternally then it show now be in a cold, dark state. But is is not, thus it must have a finite beginning.

Premise 3: “Therefore the universe has a cause.”

The implications of premise 3 are quite significant. If we grant that the universe has a cause then whatever caused it must be spaceless (since it created space), timeless (it created time), transcendent (it exists beyond the universe it created), supernatural (it created the natural), and overwhelmingly powerful (it created the universe without any material cause). The first cause must also be metaphysically necessary since there cannot be an infinite regress of causes. In other words, something has always had to have existed for everything to exist now.

Philosopher William Craig, arguably the most widely known defender of the argument, concludes “on the basis of an analysis of the argument’s conclusion, we may therefore infer that a personal Creator of the universe exists who is uncaused, without beginning, changeless, immaterial, timeless, spaceless, and unimaginably powerful (3).


1. Hawking, S. 1996. The Nature of Space and Time. p. 20.

2. Vilenkin, A. 2006. Many Worlds in One. p.176.

3. Craig, W. The New Atheist and Five Arguments for God. Available.

4. Audrey Mithani and Alexander Vilenkin, “Did the universe have a beginning?” 20 Apr 2012.

21 responses to “The Kalam Cosmological Argument.

  1. 1. Argument from ignorance.
    2. God is something, therefore god needs a cause. A refusal to acknowledge this, is special pleading.

    There are things we don’t know and thing we may never know, just like people have gotten away with murder, we may never know what caused the Big Bang.

      • Wait! So NOT every everything, but just everything? Can you explain that? Talk about SPECIAL pleading.

        First cause IS an argument from ignorance, because you do NOT know what happened prior to the Big Bang, you can only make hypothesis and simply not understanding how it happened, doesn’t give you the logical right to make the assertion that a god, let alone YOUR god did it.

        You HAVE to explain HOW your god did it, not just make the claims that he is outside time blah blah blah. Since you can NOT explain ANY of these questions, your answer IS from ignorance.

        • No, the argument never asserts that “everything has a cause.” Never. It says that “everything that BEGINS TO EXIST has a cause.” Not everything necessarily has to begin to exist. If something exists which didn’t have exist, then, according to this argument at least, it might not require a cause. In Aristotelian-Thomistic terms, causation is the actualization of potency. Beginning to exist is one instance of actualization of potency, so it requires a cause.
          Also, if you read the article I linked to, it responds to those points.

          • Sorry, but your article is nonsense, again, the guy knows nothing about astrophysics.

            What difference does, “BEGINS to exist” make?

            Please clarify, because we are talking about ONLY things that exist. Tell me what subject here is referring to something that doesn’t exist. Your argument doesn’t follow anything, it’s just a blank statement.

            We are talking about the universe witch DOES exist, and you are claiming that your god DOES exist. So both according to you EXIST.

            Now how did your god begin to exist? I want FULL scientific explanation, to the EXACT details that you would expect from a scientist.

            Otherwise, you have failed.

      • and very convenient that this guy never mentions quantum mechanics, what is thought to be the “prime mover” by most astrophysicists.

        Keep listening to religious people tell you what you want to hear.

        • So everything that’s not written by an astrophysicist should be rejected? Then if you’re comment isn’t written by an astrophysicists, shouldn’t I reject it as well? The arguments it presents are entirely philosophical/metaphysical in nature, not scientific. If you don’t think philosophical arguments are legitimate, then the most I can do is quote the words of Aristotle: “For just as the geometer has nothing more to say to one who denies the principles of his science…so a man investigating [philosophical] principles cannot argue with one who denies their existence” (Physics 1.1 185a).

          • NO, the subject IS scientific. Anything else is just pure speculation by an uneducated individual, throwing wild guesses based on his IGNORANCE and counting on YOUR ignorance and gullibility to fall for his answers; a TYPICAL preacher.

            ABSOLUTELY, if the guy is NOT qualified to speak of a complex subject, his word is USELESS.

            It’s like going to a garbage collector asking for a diagnosis for a brain tumor.

            You have to be kidding me!

            • If you’re equating philosophers to uneducated, ignorant, manipulative preachers, and if you reject the principles of philosophy, then, again in the words of Aristotle, I have nothing more to say.

              • We are talking about what caused the Big Bang and how matter can exist or not, BOTH are scientific terms.

                Don’t try to mix the two. Philosophy has NO place in astrophysics, no matter what philosopher denies that fact.

                Aristotle had NO clue on what astrophysics, his teachings are completely irrelevant and antiquated.

                I think I’ll stay with reality, and not pure speculation and yeah, arguments from ignorance.

            • Dorian, if only astrophysicists should comment on the subject, why should we believe the comments that you (a realtor at a real estate agency) make? You say yourself that “ABSOLUTELY, if the guy is NOT qualified to speak of a complex subject, his word is USELESS”. If the topic was on Computer Science or Real Estate, then yes you would indeed have reason to be believed, but the topic is on the KCA and not Computer Science or Real Estate. Please explain this to me, I’m confused

              • Because I stand with the scientific consensus on the matter. It is you that stand against it and therefore it is you and that guy, that need actual evidence that can be tested and beat the scientific consensus.

                It’s like taking the stands that donkeys can talk. I don’t have to be a biologist to assert that donkeys cannot talk, because the biology consensus is that donkeys cannot talk.

                So on each case, you need to provide a way to test that donkeys in fact can talk.

                Good luck with that.

              • I seem to be unable to reply to your comment directly Dorian, my apologies.

                What I read you saying is that, because you agree with a particular group of people, that makes you right, regardless of your own expertise (or lack thereof) in that field?

                Also you seem to be saying that philosophy and science are in direct opposition to each other? Perhaps you can explain what you mean by “actual evidence that can be tested and beat the scientific consensus” with regards to this?

                Another concern: does the entire scientific community of astrophysicists believe the same things regarding the cause of the universe and the existence states of matter? I’d love to see where you got that information from (please provide a link if you can), especially if its from verified experts in the field, otherwise, like you say, that information just cannot be trusted.

                Another question regarding your statement. You write: “So on each case, you need to provide a way to test that donkeys in fact can talk.”. What are these two cases you are talking about and what exactly do they have to do with donkeys? If you were making some allegory or metaphorical comparison to something, totally lost on me, my apologies if that is the case.

                I’m also not claiming that I am an expert, I just want some clarification on things you are saying. Also, disclaimer, I never told you my views, how do you know if I agree with the writer of this article or not? Are you a psychic?

  2. Hey James, I have a few questions that I’ve seen others raise against the Kalam that I wonder if you could might help me answer. Jeffery Jay Lowder raises this “counterargument” agains premise one: 1) Everything that begins to exist comes from preexisting matter. 2) The universe began to exist, so 3) The universe comes from preexisting matter. The counterargument gets at the fact that, in our experience, everything that begins to exist has both an efficient and a material cause. If efficient cause applies to the universe as a whole, why doesn’t material cause? What are you thoughts about this?

    • Matter cannot be created nor destroyed, and quantum mechanics provides the means of spontaneously generating a universe. Can we prove that in a lab, NO, not yet, but we know the it IS possible based on mathematics, which historically have PROVEN to precede scientific findings that later ARE confirmed.

      There is absolutely NO way to test the argument of these gods, not ONE. It is a FAILED hypothesis, specially when you actually try to make predictions based on ANY religious document.

      All these gods are omnipresent, yet there are nowhere, this is a FAILED prediction of ALL gods.

      • So “quantum mechanics provides the means of spontaneously generating a universe” – really? Surely the vacuum in which the “virtual particles” initially appear must ALREADY EXIST in space in order for those particles to suddenly “pop” into existence, and hence this “space” must somehow exist BEFORE the universe, and space itself, has even come into existence?

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