Proof of `Matching by intersection over union and the sharpness of the threshold ½` (3rd statement)

groundedproofs/Lax303562Proofs/Matching.lean · lax-303562

What this proof establishes

no assumptions

Assuming the claims on the left, the claim on the right holds — checked by the archive's pipeline. Proof code is not displayed here.

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Description

P=1,2,3,4P = {1,2,3,4} has IoU exactly ½½ with A=1,2A = {1,2} and with B=3,4B = {3,4}.