4 sources healthy · latest episode 9 Nov 2026
causal claim

The development of tactics made Lean more powerful and began to reduce the difficulty of writing proofs in it.

Unresolved speaker · Mathematics Just Changed Forever — Kevin Hartnett · 26 Oct 2026

In their words

The transcript segments this claim was taken from

“That becomes one way in which Lean becomes much more powerful, and this pain of writing proofs in Lean starts to diminish.”
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