@janeclarejones As an aside, what irritated me about SokalSquared was making an academic claim, but not following academic rules. Bit like calling a foot fault in chess, when someone moves their rook along a diagonal. I don't think @HPluckrose quite got that, but then I can't
Don't know why I said 'sufficed' - that two were possible. Also, we said very clearly that this was not controlled apart from the way we went about writing them. We went in and tried to see how it worked and reflect what was there & presented the results for others to judge.