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| Mirrors > Home > ILE Home > Th. List > moani | Unicode version | ||
| Description: "At most one" is still true when a conjunct is added. (Contributed by NM, 9-Mar-1995.) |
| Ref | Expression |
|---|---|
| moani.1 |
|
| Ref | Expression |
|---|---|
| moani |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | moani.1 |
. 2
| |
| 2 | moan 2123 |
. 2
| |
| 3 | 1, 2 | ax-mp 5 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 711 ax-5 1470 ax-7 1471 ax-gen 1472 ax-ie1 1516 ax-ie2 1517 ax-8 1527 ax-10 1528 ax-11 1529 ax-i12 1530 ax-bndl 1532 ax-4 1533 ax-17 1549 ax-i9 1553 ax-ial 1557 ax-i5r 1558 |
| This theorem depends on definitions: df-bi 117 df-nf 1484 df-sb 1786 df-eu 2057 df-mo 2058 |
| This theorem is referenced by: euxfr2dc 2958 fvopab6 5676 1stconst 6307 2ndconst 6308 axaddf 7981 axmulf 7982 |
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