Lean Kernel Arena / tutorial/117_etaCtor

Test "tutorial/117_etaCtor"

Expected: ✋ reject · Size: 9.0 KB · Lines: 148 · lean4export: 3.1.0 · Lean: 4.29.1 · 📄 Declaration · 🔗 Source

Corner case for function eta: Does a defeq between a partially applied constructor 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 33.9 MB
nanoda 1 ms 3.2 MB
nanobruijn 1 ms 11.2 MB
ind-models 59 ms 105.3 MB
official 29 ms 66.8 MB
lean4lean 72 ms 103.5 MB
evmlean 1.2 s 133.3 MB
mini 35 ms 74.7 MB
sokonanoda 1 ms 33.9 MB
nanoclo 1 ms 47.5 MB
zignodamus 1 ms 4.9 MB
vow-lean-kernel 101 ms 8.1 MB
official-v4.28.0 35 ms 74.6 MB
still-nanoda 1 ms 3.0 MB
kiota 1 ms 6.9 MB
rpylean 1 ms 8.3 MB
nyaya 3 ms 9.8 MB
parse-only 👍 28 ms 65.3 MB