Set theories incorporating Hilbert's ε-symbol
T. B. Flannagan
GDML_Books, (1974), p.

CONTENTS§ 1. Introduction ............................................................................................................ 5§ 2. The ε-calculus for є............................................................................................ 6§ 3. Reflection principles in e-set theories.............................................................. 6§ 4. [E]-elementary chains.......................................................................................... 11§ 5. Forcing and reflection .......................................................................................... 14§ 6. ε^-deductions and the main result........................................................ 23§ 7. Appendix: on Zermelo’s set theory with the axiom of choice........................ 24References ................................................................................................................... 27

EUDML-ID : urn:eudml:doc:268415 
@book{bwmeta1.element.zamlynska-dae8bbf9-b76c-47aa-8469-9d69474a0418,
     author = {T. B. Flannagan},
     title = {Set theories incorporating Hilbert's $\epsilon$-symbol},
     series = {GDML\_Books},
     publisher = {Instytut Matematyczny Polskiej Akademi Nauk},
     address = {Warszawa},
     year = {1974},
     zbl = {0284.02032},
     language = {en},
     url = {http://dml.mathdoc.fr/item/bwmeta1.element.zamlynska-dae8bbf9-b76c-47aa-8469-9d69474a0418}
}

T. B. Flannagan. Set theories incorporating Hilbert's ε-symbol. GDML_Books (1974),  http://gdmltest.u-ga.fr/item/bwmeta1.element.zamlynska-dae8bbf9-b76c-47aa-8469-9d69474a0418/