I was doing a lemma search for ἐρήμου (ἕρημος) in Gal 4:27 and encountered something strange that I don’t understand. (I’m using Logos 5.1 SR-2 (5.1.0.0963.)) When I included the LXX in my search it did not turn up Isaiah 54:1 which is quoted verbatim in Galatians. So I went to Isaiah 54:1 in the LXX and did the same search there and discovered that it comes up with ἐρῆμος as the lemma. Looking at TDNT etc I don’t see anyone listing this form. Logos will even produce two different word studies based on these two different forms. Is this a glitch or why does Logos seem to sometimes use ἔρημος as the lemma form and sometimes ἐρῆμος in the LXX?

Lee Patmore