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Mirrors > Home > MPE Home > Th. List > nfia1 | Unicode version |
Description: Lemma 23 of [Monk2] p. 114. (Contributed by Mario Carneiro, 24-Sep-2016.) |
Ref | Expression |
---|---|
nfia1 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nfa1 1897 | . 2 | |
2 | nfa1 1897 | . 2 | |
3 | 1, 2 | nfim 1920 | 1 |
Colors of variables: wff setvar class |
Syntax hints: -> wi 4 A. wal 1393
F/ wnf 1616 |
This theorem is referenced by: mo2v 2289 mo2vOLD 2290 mo2vOLDOLD 2291 2eu6 2383 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1618 ax-4 1631 ax-5 1704 ax-6 1747 ax-7 1790 ax-10 1837 ax-12 1854 |
This theorem depends on definitions: df-bi 185 df-ex 1613 df-nf 1617 |
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