display all the ideas for this combination of philosophers
4 ideas
10283 | A formula needs an 'interpretation' of its constants, and a 'valuation' of its variables [Hodges,W] |
10285 | I |= φ means that the formula φ is true in the interpretation I [Hodges,W] |
10284 | There are three different standard presentations of semantics [Hodges,W] |
10474 | |= should be read as 'is a model for' or 'satisfies' [Hodges,W] |