𝔖 Bobbio Scriptorium
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The analysis of night-time h′(ƒ) records

✍ Scribed by J. Titheridge


Book ID
115954571
Publisher
Elsevier Science
Year
1961
Tongue
English
Weight
301 KB
Volume
20
Category
Article
ISSN
0021-9169

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Bijections between formulae and trees wh
✍ R.P. Nederpelt 📂 Article 📅 1986 🏛 Elsevier Science 🌐 English ⚖ 376 KB

We describe a bijection which maps trivalent ordered trees, representing certain formulae, onto ordered trees. The mapping is such that an equivalence relation of the type ((f o g) o h) ((f o h)o g) on the set of formulae, induces the equivalence relation of being equal modulo order on the set of or