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 ⏱️ 🧠
nanoda 2 ms 3.0 MB
nanobruijn 7 ms 11.5 MB
official-nightly 32 ms 56.9 MB
official 32 ms 67.8 MB
official-v4.28.0 39 ms 71.8 MB
lean4lean 101 ms 92.1 MB
mini 42 ms 71.0 MB
vow-lean-kernel 117 ms 7.8 MB
evmlean 1.6 s 124.3 MB
always-decline 🚫 1 ms 2.9 MB
sokonanoda 2 ms 3.0 MB
rpylean 2 ms 8.1 MB
still-nanoda 2 ms 2.9 MB
always-reject 1 ms 2.9 MB
parse-only 👍 38 ms 71.3 MB
always-accept 👍 1 ms 2.9 MB