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Mirrors > Home > MPE Home > Th. List > nfmo1 | Structured version Visualization version Unicode version |
Description: Bound-variable hypothesis builder for "at most one." (Contributed by NM, 8-Mar-1995.) (Revised by Mario Carneiro, 7-Oct-2016.) |
Ref | Expression |
---|---|
nfmo1 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-mo 2475 | . 2 | |
2 | nfe1 2027 | . . 3 | |
3 | nfeu1 2480 | . . 3 | |
4 | 2, 3 | nfim 1825 | . 2 |
5 | 1, 4 | nfxfr 1779 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wex 1704 wnf 1708 weu 2470 wmo 2471 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-10 2019 ax-11 2034 ax-12 2047 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-ex 1705 df-nf 1710 df-eu 2474 df-mo 2475 |
This theorem is referenced by: mo3 2507 moanmo 2532 mopick2 2540 moexex 2541 2mo 2551 2eu3 2555 nfrmo1 3111 mob 3388 morex 3390 wl-mo3t 33358 |
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