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OpenDiscreteMath / ibl-combinatorics

Combinatorics through Guided Discovery
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Chapter 5: wording, typos #139

Open sphaso opened 6 years ago

sphaso commented 6 years ago

Hi,

Problem 225 has a strange wording:

In a biology lab study of the effects of basic fertilizer ingredients on plants...

Problem 230 too (or it might be that I'm not a native speaker and it sounds off to me):

Use notation something like that of...

Problem 234 typo:

The principle of inclusion and exclusion generall refers

(really enjoying chapter 6 right now!)

oscarlevin commented 6 years ago

I'm not seeing the wording as all that strange, although eventually both could be tightened up. I've fixed the typo and included it in my pull request.

mitchkeller commented 6 years ago

I agree the wording is awkward although probably technically correct. 225 doesn't bother me too much, but 230 grates at my ear pretty badly.

What about:

Problem 230

Use notation similar to that of…

If we wanted to make a quick edit to Problem 225 right now, I would think that

In a study of…

eliminates the awkwardness.

sphaso commented 6 years ago

I see why I thought wording of 225 was weird, I was breaking up the sentence at "In a biology lab, study" instead of going all the way. Sorry about that.