lnay / metric-spaces-and-topology-game

MIT License
2 stars 1 forks source link

Create new proof: Topology world - lvl 4 #11

Open lnay opened 5 months ago

lnay commented 5 months ago
Create a new lean file with the name specified below in Game/Levels/content_drafts which correctly compiles and defines and proves the theorem below. Break into intermediate theorems/lemmas if necessary (to go into separate levels, or provided as 'given' helpers, tbd later).
file name topology_wrld_L04.lean
proof metric space is haussdorff
extra info use raw (self written) definition for haussdorff (not one provided by mathlib)

Syllabus outline: #5