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Related theorems Unicode version |
| Description: Relationship between restricted universal and existential quantifiers. |
| Ref | Expression |
|---|---|
| ralnex |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | alinexa 1038 |
. 2
| |
| 2 | df-ral 1641 |
. 2
| |
| 3 | df-rex 1642 |
. . 3
| |
| 4 | 3 | negbii 187 |
. 2
|
| 5 | 1, 2, 4 | 3bitr4 183 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: dfrex2 1648 ralinexa 1675 nrex 1721 nrexdv 1722 ra4esbca 1989 iindif2 2601 ordunisuc2 3105 tfi 3116 rexxp 3209 canth 3892 omsdomnn 4509 isfinite2 4523 supmo 4550 elirrv 4570 unbndrank 4655 ac9s 4736 kmlem7 4743 kmlem8 4744 kmlem13 4749 zorn2lem4 4763 arch 6018 xrsupsslem 6023 xrinfmsslem 6024 supxrre 6030 supxrbnd 6038 supxrbnd1 6042 supxrbnd2 6043 sqr2irrlem3 6656 climunii 7035 clsval2 7627 ntreq0 7650 qdensere 7691 bcthlem7 7939 bcthlem28 7960 nmounbi 8371 hlimunii 9029 large 10104 cvbr2t 10120 chrelat2 10200 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-gen 960 ax-4 970 ax-5o 972 |
| This theorem depends on definitions: df-bi 147 df-an 225 df-ex 978 df-ral 1641 df-rex 1642 |