A-Level Religious Studies · AQA Paper 1 · Philosophy of Religion Harlington School · Philosophy & Ethics

The Cosmological Argument

One argument, three moves — Aquinas’ climb from contingency to a necessary God, the attacks of Hume and Russell, and the fight over what it all proves.

The
big
question

Why is there something rather than nothing — and must the answer be God?

01

The ladder of being

Each lesson lines up on its own axis — the climb from contingent things to the uncaused necessary being, the criticisms ranked from deflected to fatal, and the verdicts from proof to nothing at all. Pick a lesson, then tap a position to see what it claims and where it's strong or weak.

Most authorityLeast authority

Tap a circle — or use Tab and Enter — to explore each position.

The thread that ties it together

Top answers don't treat the three lessons separately. Three ideas run through all of them — spot the thread and you're writing at the top of the mark scheme.

The ladder of being

Contingent things → caused necessary beings → ONE uncaused necessary being. Way 3 climbs it; every criticism tries to cut a rung.

When may explanation stop?

Aquinas stops at the necessary being; Russell stops at the brute fact; Hare says your blik decides. That is the whole argument in one question.

Evenly balanced

Every criticism has a reply, and every reply a rejoinder. The essay-winning move is to adjudicate — not just to list.

02

One argument, three rounds

The unit splits into three lessons: the argument, the attacks, and the verdict. Together they are one unfolding case about when explanation may stop.

Lesson 1

Aquinas’ Way 3

Can contingency prove a necessary God?
ObservationA posteriori: everything is contingent.
Part OneIf all is contingent, once there was nothing — so something is necessary.
Part TwoNo infinite regress — an uncaused necessary being.
C3‘This all men speak of as God.’
Lesson 2

Hume & Russell

Does the argument survive?
CompositionParts to whole — vs Reichenbach’s wall.
Meaningless‘Necessary being’ — vs metaphysical necessity.
Necessary matterWhy God? — vs caused necessity (P4).
Brute fact‘Just there’ — vs science’s wager.
Lesson 3

Proof & Faith

What does it all prove?
No proofInductive — probability, not demonstration.
HughesProof by overwhelming probability — the quark.
HareBliks: no proof settles it either way.
For faithReason supports; grace gives — Kant & Barth dissent.
03

Your resources

🎯 Practice and intervention for this unit · the Arena warm-up, the same question answered at D, C, B and A*, the four moves of your tier, timed writing with Coach Owl

Everything for the unit, in one place. Open each lesson's deck, booklet and podcast, and use the Philosopher Companion across all three.

Teacher setup: links aren't set yet. Open this file, find the LINKS list near the bottom, and paste each SharePoint share link once. Buttons with no link show as “Link not set”.
04

How to revise this unit

Use your resources in this order. The Philosopher Companion is where you learn to plan both question types.

Watch the lesson & listen to the podcast

One podcast per lesson — a teacher and student rebuild the argument and weigh it to a judgement. Annotate as you listen.

Complete the greyscale booklet

Read the given text, write the key claims of each step or criticism in your own words, then decide the strength and weakness you'd give it.

Match & apply the key terms

In the Companion: match each term to its meaning, then use it in a sentence. RAG-rate the mastery checklist with the three faces.

Plan AO1, then build AO2 on top

Use the Companion frameworks — including the real AQA 2020 question and the 2019/2023 dialogues. Never evaluate what you haven't first explained.

AO1 · Examine the views (10)
What it is — the factual chain: define contingency, then rebuild the argument P1→C3 — or set out each criticism WITH its reply.
Aim — explain the whole chain accurately and neutrally. No judging yet.
AO2 · Evaluate the claim (15)
What it is — a three-paragraph dialectic: position, then evaluation → counter-evaluation → implication; mirror it; then judge.
Aim — adjudicate each criticism-and-reply pair, rank them, and reach a judgement that links back to your thesis.
05

Watch: the whole unit in one go

A full review of The Cosmological Argument — Way 3, the criticisms of Hume and Russell, and the proof & faith debate. Best watched before you start revising, then again to check your recall.

Video not set

Teacher: paste the YouTube link in the VIDEO_URL line near the bottom of this file. The player then appears here automatically.

06

Flashcards — test yourself

Flip a card to check yourself. Switch between key terms (term → meaning) and positions (position → claim, strength & weakness), and filter by lesson.

Tap any card to flip ·