Lean Kernel Arena / tutorial/091_projProp5

Test "tutorial/091_projProp5"

Expected: ✋ reject · Size: 8.4 KB · Lines: 148 · lean4export: 3.1.0 · Lean: 4.29.1 · 📄 Declaration · 🔗 Source

Projecting out of a proposition

The lean kernel disallows proof projections out of propositional structures that depend on data.

Checker Result ⏱️ 🧠
mathgraph 1 ms 33.7 MB
ind-models 58 ms 102.9 MB
official-nightly 28 ms 64.4 MB
evmlean 1.2 s 131.9 MB
nanoda 1 ms 3.1 MB
mini 35 ms 72.8 MB
lean4lean 28 ms 93.9 MB
sokonanoda 1 ms 33.9 MB
zignodamus 1 ms 4.8 MB
nanoclo 1 ms 45.6 MB
nanobruijn 1 ms 9.9 MB
kiota 1 ms 7.0 MB
official 28 ms 62.5 MB
vow-lean-kernel 83 ms 8.2 MB
rpylean 1 ms 8.1 MB
official-v4.28.0 35 ms 70.5 MB
still-nanoda 1 ms 3.1 MB
nyaya 3 ms 9.9 MB
parse-only 👍 27 ms 60.7 MB