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Novak space is not countably tight #1540

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Merged
Moniker1998 merged 3 commits into from
Jan 3, 2026
+17 −7
Merged

Novak space is not countably tight #1540

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a0359ea
Added tightness, removed spread
Moniker1998 Dec 16, 2025
5e0ecdd
Update P000081.md
Moniker1998 Jan 3, 2026
7e835ce
Update P000081.md
Moniker1998 Jan 3, 2026
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7 changes: 7 additions & 0 deletions spaces/S000108/properties/P000081.md
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Original file line number Diff line number Diff line change
@@ -0,0 +1,7 @@
---
space: S000108
property: P000081
value: false
---

It has {S109} as a subspace and {S109|P81}.
7 changes: 0 additions & 7 deletions spaces/S000108/properties/P000197.md
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10 changes: 10 additions & 0 deletions spaces/S000109/properties/P000081.md
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Original file line number Diff line number Diff line change
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---
space: S000109
property: P000081
value: false
refs:
- mo: 505981
name: Tightness of Novak space
---

$X$ has uncountable tightness, see {{mo:505981}}.