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ImperialCollegeLondon
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natural_number_game
Building the natural numbers in Lean 3. The original natural number game, now frozen. See README for Lean 4 information.
Apache License 2.0
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props aren't decidable in world 7
#84
kbuzzard
opened
4 years ago
0
French translation stub (home page and level 1)
#83
PatrickMassot
closed
4 years ago
1
The lines "-- World name : ..." removed
#82
mpedramfar
closed
4 years ago
3
add basic stuff about primes
#81
kbuzzard
opened
4 years ago
0
add odd and even numbers
#80
kbuzzard
opened
4 years ago
0
Add `not_iff_imp_false` to Advanced Proposition/Level 9
#79
shingtaklam1324
closed
4 years ago
1
eq_zero_of_add_right_eq_self
#78
kbuzzard
closed
4 years ago
1
Fix typo on world1/level1.lean
#77
crunsk
closed
4 years ago
1
Advanced Addition World, Level 11: add_right_eq_zero
#76
trj2059
closed
4 years ago
1
Fix typo in world7/level5.lean.
#75
obi1kenobi
closed
4 years ago
2
nat versus mynat issue with literal zeros
#74
gjm11
closed
4 years ago
2
Save progress
#73
rudolfovic
closed
4 years ago
7
Use only x and y variables in world1 level 2
#72
ben-dyer
closed
4 years ago
1
not_succ_le_self better solution
#71
kbuzzard
closed
4 years ago
1
Remove an extraneous rewrite.
#70
postmasters
closed
4 years ago
1
Fix the application of `add_right_eq_zero`
#69
postmasters
closed
4 years ago
1
Description ahead of `succ_inj'`
#68
stanescuUW
closed
4 years ago
1
Lean can get stuck an infinite loop
#67
FreeFull
closed
4 years ago
1
fix broken link to Maths_Challenges
#66
bryangingechen
closed
4 years ago
0
"unknown identifier 'not_iff_imp_false'" error in Advanced Proposition Level 9
#65
edderiofer
closed
4 years ago
3
hacker news UX comments
#64
kbuzzard
closed
4 years ago
1
Advanced muit world level 4 revert
#63
kbuzzard
closed
4 years ago
2
Night Mode
#62
ericrbg
opened
4 years ago
4
\l and \1
#61
kbuzzard
closed
4 years ago
1
it's hard to find this repository
#60
robx
closed
4 years ago
3
Fix note about using have in world 10 level 7
#59
tyilo
closed
4 years ago
1
Fixed missing quote for monospace formatting
#58
zx9w
closed
4 years ago
1
basic tactics file
#57
kbuzzard
closed
4 years ago
1
old notes
#56
kbuzzard
closed
4 years ago
3
possibly missing levels
#55
kbuzzard
closed
4 years ago
3
decidability
#54
kbuzzard
closed
4 years ago
1
25 rewrites not 27 for (a+b)^2
#53
kbuzzard
closed
4 years ago
1
comments for experts?
#52
kbuzzard
closed
4 years ago
1
"end credits"
#51
kbuzzard
closed
4 years ago
1
Submitting simplified proof for level 10.16
#50
ahelwer
closed
4 years ago
0
inconsistent letters between the text description and the formal theorem statement in Advanced Addition world level 6
#49
ghost
closed
4 years ago
1
contrapositive not proved?
#48
kbuzzard
closed
4 years ago
7
Two small fixes
#47
MatthiasHu
closed
4 years ago
0
binomial theorem?
#46
kbuzzard
opened
4 years ago
1
sandbox
#45
kbuzzard
closed
4 years ago
1
pow_succ typo
#44
kbuzzard
closed
4 years ago
1
email
#43
kbuzzard
closed
4 years ago
1
Match lean file path with latest online game.
#42
ghost
closed
4 years ago
0
LEUNG Donald Sebastian blog comments
#41
kbuzzard
closed
4 years ago
1
Fixed small typo with problem description for world4 level5
#40
thyrgle
closed
4 years ago
0
Please fix error in pow level description
#39
ikrukov
closed
4 years ago
1
Update level13.lean
#38
3abc
closed
4 years ago
1
Update level3.lean
#37
3abc
closed
4 years ago
1
Lean server fails to initialize correctly in Safari 13.0.3 on macOS Catalina 10.15.1
#36
DonaldKellett
closed
4 years ago
4
Fix typos in level descriptions
#35
DonaldKellett
closed
4 years ago
0
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