Test "tutorial/084_projProp5"
Expected: ✋ reject · Size: 8.4 KB · Lines: 148 · lean4export: 3.1.0 · Lean: 4.27.0-rc1 · 📄 Declaration · 🔗 Source
Projecting out of a proposition
The lean kernel disallows proof projections out of propositional structures that depend on data.
| Checker | Result | ⏱️ | 🧠 | ||
|---|---|---|---|---|---|
| nanoda | ✋ | 2 ms | 2.9 MB | ||
| nanobruijn | ✋ | 6 ms | 10.9 MB | ||
| official-nightly | ✋ | 32 ms | 57.2 MB | ||
| official | ✋ | 32 ms | 66.2 MB | ||
| official-v4.28.0 | ✋ | 38 ms | 70.9 MB | ||
| lean4lean | ✋ | 64 ms | 90.6 MB | ||
| mini | ✋ | 38 ms | 70.3 MB | ||
| always-decline | 🚫 | 1 ms | 2.8 MB | ||
| always-reject | ✋ | 1 ms | 2.8 MB | ||
| rpylean | ✋ | 2 ms | 6.6 MB | ||
| parse-only | 👍 | 38 ms | 70.0 MB | ||
| always-accept | 👍 | 1 ms | 2.8 MB |