New Foundations Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > NFE Home > Th. List > nfmo | Unicode version |
Description: Bound-variable hypothesis builder for "at most one." (Contributed by NM, 9-Mar-1995.) |
Ref | Expression |
---|---|
nfeu.1 |
Ref | Expression |
---|---|
nfmo |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nftru 1554 | . . 3 | |
2 | nfeu.1 | . . . 4 | |
3 | 2 | a1i 10 | . . 3 |
4 | 1, 3 | nfmod 2219 | . 2 |
5 | 4 | trud 1323 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wtru 1316 wnf 1544 wmo 2205 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1546 ax-5 1557 ax-17 1616 ax-9 1654 ax-8 1675 ax-6 1729 ax-7 1734 ax-11 1746 ax-12 1925 |
This theorem depends on definitions: df-bi 177 df-an 360 df-tru 1319 df-ex 1542 df-nf 1545 df-eu 2208 df-mo 2209 |
This theorem is referenced by: moexex 2273 2moex 2275 2euex 2276 mosubopt 4612 dffun6f 5123 |
Copyright terms: Public domain | W3C validator |