Lean Kernel Arena / k-rec-conv

Test "k-rec-conv"

Expected: ✋ reject · Size: 13.0 KB · Lines: 243 · lean4export: 3.1.0 · Lean: 4.29.1 · 📄 Declaration · 🔗 Source

Bogus proof that tests for incorrectly implemented K-like reduction.

fun x => x and fun _ => y are not convertible, but a checker that does treat them as convertible would accept the resulting theorem bad, which is true propositionally, but not definitionally.

Regression test for sokonanoda.

Checker Result ⏱️ 🧠
mathgraph 1 ms 34.0 MB
nanoda 1 ms 3.2 MB
nanobruijn 2 ms 11.9 MB
ind-models 59 ms 107.9 MB
official 29 ms 66.7 MB
lean4lean 77 ms 103.9 MB
evmlean 2.1 s 131.5 MB
mini 39 ms 74.7 MB
sokonanoda 1 ms 36.0 MB
nanoclo 1 ms 47.5 MB
zignodamus 1 ms 5.0 MB
vow-lean-kernel 112 ms 8.1 MB
official-v4.28.0 35 ms 74.4 MB
still-nanoda 1 ms 3.0 MB
kiota 1 ms 9.1 MB
rpylean 1 ms 8.5 MB
nyaya 3 ms 10.5 MB
parse-only 👍 28 ms 65.5 MB