{"push_id":982121806,"size":1,"distinct_size":1,"ref":"refs/heads/master","head":"3f25356f451bf8e340f83d9e31e7fcb86e6baa69","before":"46fa164022f96628522e5247f68520bb39b6ef8b","commits":[{"sha":"3f25356f451bf8e340f83d9e31e7fcb86e6baa69","author":{"email":"5b271689e2a5be36b59ea0b1716899fe80ad26c5@nicta.com.au","name":"Michael Norrish"},"message":"Add 2 theorems about SUM_IMAGE to pred_setTheory\n\n* g injective ⇒ Σ f (IMAGE g s) = Σ (f o g) s\n* g bijective on s ⇒ Σ (f o g) s = Σ f s\n\nFrom Joseph Chan","distinct":true,"url":"https://api.github.com/repos/HOL-Theorem-Prover/HOL/commits/3f25356f451bf8e340f83d9e31e7fcb86e6baa69"}]}