Lean Kernel Arena / tutorial/080_projProp1

Test "tutorial/080_projProp1"

Expected: 👍 accept · Size: 8.2 KB · Lines: 143 · lean4export: 3.1.0 · Lean: 4.27.0-rc1 · 📄 Declaration · 🔗 Source

Projecting out of a proposition

The lean kernel allows projections out of propositions if they precede all dependent data fields.

Checker Result ⏱️ 🧠
sonanoda 👍 2 ms 2.8 MB
nanoda 👍 2 ms 2.8 MB
nanobruijn 👍 6 ms 10.1 MB
official-nightly 👍 33 ms 56.2 MB
official 👍 33 ms 65.0 MB
official-v4.28.0 👍 39 ms 69.6 MB
lean4lean 👍 66 ms 89.8 MB
mini 👍 40 ms 70.1 MB
always-decline 🚫 1 ms 2.8 MB
always-reject 1 ms 2.8 MB
rpylean 👍 2 ms 6.5 MB
parse-only 👍 39 ms 69.9 MB
always-accept 👍 1 ms 2.8 MB