Test "undecidability/alg-conv-trans-acc-left"
Expected: 👍 accept · Size: 67.0 KB · Lines: 1.2 k · lean4export: 3.1.0 · Lean: 4.29.1 · 📄 Declaration · 🔗 Source
The creative half of undecidability/alg-conv-trans-acc. Acc.rec is stuck
on the variable a, and proof irrelevance admits any other proof of
Acc (· < ·) 1 in its place, including one with a constructor at the head.
Given both sides, a checker verifies this immediately; producing the
right-hand side unprompted is the step no algorithm takes.
| Checker | Result | ⏱️ | 🧠 | |||
|---|---|---|---|---|---|---|
| mathgraph | 👍 | 1 ms | 63.8 MB | |||
| ind-models | 👍 | 84 ms | 106.4 MB | |||
| official-nightly | 👍 | 34 ms | 64.9 MB | |||
| evmlean | 👍 | 22.1 s | 222.6 MB | |||
| nanoda | 👍 | 3 ms | 3.3 MB | |||
| mini | ✋ | 172 ms | 69.9 MB | |||
| lean4lean | 👍 | 35 ms | 95.8 MB | |||
| sokonanoda | 👍 | 1 ms | 57.7 MB | |||
| zignodamus | 👍 | 1 ms | 5.6 MB | |||
| nanoclo | 👍 | 2 ms | 55.3 MB | |||
| nanobruijn | 👍 | 5 ms | 20.0 MB | |||
| kiota | 👍 | 3 ms | 11.0 MB | |||
| official | 👍 | 33 ms | 64.0 MB | |||
| vow-lean-kernel | ✋ | 354 ms | 8.8 MB | |||
| rpylean | 👍 | 3 ms | 11.4 MB | |||
| official-v4.28.0 | 👍 | 41 ms | 69.1 MB | |||
| still-nanoda | 👍 | 3 ms | 3.3 MB | |||
| nyaya | 👍 | 14 ms | 12.3 MB | |||
| parse-only | 👍 | 31 ms | 62.2 MB |