Lean Kernel Arena / tutorial/116_etaRuleK

Test "tutorial/116_etaRuleK"

Expected: ✋ reject · Size: 6.5 KB · Lines: 121 · lean4export: 3.1.0 · Lean: 4.29.1 · 📄 Declaration · 🔗 Source

Corner case for function eta: Does a defeq between a partially applied recursor with rule k and a free variable trigger eta expansion?

Taking the official kernel as the specification, the answer is no. See https://github.com/leanprover/lean4/issues/12520 for a discussion.

Checker Result ⏱️ 🧠
mathgraph 1 ms 33.8 MB
nanoda 1 ms 3.3 MB
nanobruijn 1 ms 10.5 MB
ind-models 59 ms 105.3 MB
official 29 ms 66.9 MB
lean4lean 72 ms 101.5 MB
evmlean 1.2 s 134.4 MB
mini 35 ms 74.3 MB
sokonanoda 1 ms 33.9 MB
nanoclo 1 ms 35.4 MB
zignodamus 1 ms 4.8 MB
vow-lean-kernel 73 ms 8.2 MB
official-v4.28.0 36 ms 74.5 MB
still-nanoda 1 ms 3.1 MB
kiota 1 ms 6.8 MB
rpylean 1 ms 8.5 MB
nyaya 2 ms 9.8 MB
parse-only 👍 27 ms 65.3 MB