Ethics morning tea

It rained all day again today, which was good in terms of the climate, but bad in terms of getting stuff done. Normally I walk to my Wednesday Ethics class, but this morning I drove, since it’s a solid half hour walk and would have been very unpleasant in heavy rain.

The topic was more on inverting sentences, like last week, only this time we considered negative sentences like “No lions are eagles”, which inverts to “No eagles are lions”. The inverted sentences last week changed from true to false, but these ones stay true when inverted. So we now had a second rule. Then we discussed how useful this is, realising that many sentences can be converted to an “All * are *” or “No * are *” form. I thought this topic was a bit abstract when I read the teacher’s notes, but the kids seemed to follow it okay.

After the class there was a morning tea meeting for the ethics teachers at the school. We don’t really meet much, so this is a good chance to catch up and share stories about our classes, and get news from our coordinator about the progress of classes at the school, and plans for recruiting new volunteers and so on. I stayed for a couple of hours before realising if I stayed any longer I’d have to pay for parking, so I dashed off home.

This afternoon I mostly wrote up another post for 100 Proofs that the Earth is a Globe, but I haven’t quite finished it tonight, so I’ll do that and post it tomorrow.

New content today:

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