New Foundations Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > NFE Home > Th. List > 2ralbii | Unicode version |
Description: Inference adding two restricted universal quantifiers to both sides of an equivalence. (Contributed by NM, 1-Aug-2004.) |
Ref | Expression |
---|---|
ralbii.1 |
Ref | Expression |
---|---|
2ralbii |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ralbii.1 | . . 3 | |
2 | 1 | ralbii 2638 | . 2 |
3 | 2 | ralbii 2638 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wb 176 wral 2614 |
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-11 1746 |
This theorem depends on definitions: df-bi 177 df-an 360 df-tru 1319 df-ex 1542 df-nf 1545 df-ral 2619 |
This theorem is referenced by: nnpweq 4523 fununi 5160 isocnv2 5492 |
Copyright terms: Public domain | W3C validator |