How do we know the weak and strong interactions are fundamental?

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Francis Redfern

This window popped up after i asked the question. Why would i answer my own question?! (Although i have been known to talk to myself.)

T. H. Al-Noor

https://physics.stackexchange.com/.../difference-between-weak-and-strong-interaction...

Sorry, Professor Al-Noor, your link only got me a "404 page not found" message.

In my question i should have said "does the electroweak theory resolve the situation for weak interactions." Obviously it doesn't apply to strong interactions.