Key Facts About ℝ

boogie, french afro-rock

Listen on 93

Lyrics

[Verse 1]
Rationals scattered like stars in the night
Countable treasures, each one we can write
But reals stretch beyond what numbers can hold
Uncountable mysteries, stories untold

[Chorus]
Real line flowing, gaps all disappear
Every hole filled in, crystal and clear
Dense rationals dance with irrationals too
Between any pair, both types peek through
The continuum calls, complete and whole
Two to aleph-null, that's cardinality's goal

[Verse 2]
Pick any two points on this endless stage
A rational hides between, turn every page
But wait, there's more magic in this sacred space
Irrationals lurk in that very same place

[Chorus]
Real line flowing, gaps all disappear
Every hole filled in, crystal and clear
Dense rationals dance with irrationals too
Between any pair, both types peek through
The continuum calls, complete and whole
Two to aleph-null, that's cardinality's goal

[Bridge]
Archimedes whispered secrets long ago
No number's too large for naturals to outgrow
Give me any real that's greater than zero
Some counting number plays the conquering hero
No infinities hiding in our perfect line
Just smooth completion, mathematically divine

[Verse 3]
From power sets of naturals we build this realm
Continuum hypothesis at the helm
Every sequence that looks like it should land
Finds its target in this promised land

[Chorus]
Real line flowing, gaps all disappear
Every hole filled in, crystal and clear
Dense rationals dance with irrationals too
Between any pair, both types peek through
The continuum calls, complete and whole
Two to aleph-null, that's cardinality's goal

[Outro]
Analysis stage is set and ready now
Gapless foundation, mathematics' sacred vow

← The Key Property: Completeness | The Problem →