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Mirrors > Home > ILE Home > Th. List > nfmo1 | 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 2010 | . 2 | |
2 | nfe1 1476 | . . 3 | |
3 | nfeu1 2017 | . . 3 | |
4 | 2, 3 | nfim 1552 | . 2 |
5 | 1, 4 | nfxfr 1454 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wnf 1440 wex 1472 weu 2006 wmo 2007 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-5 1427 ax-7 1428 ax-gen 1429 ax-ie1 1473 ax-ie2 1474 ax-4 1490 ax-ial 1514 ax-i5r 1515 |
This theorem depends on definitions: df-bi 116 df-nf 1441 df-eu 2009 df-mo 2010 |
This theorem is referenced by: moanmo 2083 euexex 2091 nfrmo1 2629 mob 2894 morex 2896 funimaexglem 5255 |
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