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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 1042 |
. 2
| |
| 2 | df-ral 1649 |
. 2
| |
| 3 | df-rex 1650 |
. . 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 1656 ralinexa 1683 nrex 1729 nrexdv 1730 ra4esbca 1999 iindif2 2611 ordunisuc2 3115 tfi 3126 rexxp 3219 canth 3907 omsdomnn 4530 isfinite2OLD 4546 supmo 4576 elirrv 4598 unbndrank 4683 ac9s 4764 kmlem7 4771 kmlem8 4772 kmlem13 4777 zorn2lem4 4791 arch 6071 xrsupsslem 6076 xrinfmsslem 6077 supxrre 6083 supxrbnd 6091 supxrbnd1 6095 supxrbnd2 6096 sqr2irrlem3 6726 climunii 7098 clsval2 7685 ntreq0 7708 qdensere 7751 bcthlem7 8005 bcthlem28 8026 nmounbi 8439 lnon0 8458 hlimunii 9108 large 10194 cvbr2t 10210 chrelat2 10292 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-gen 963 ax-4 973 ax-5o 975 |
| This theorem depends on definitions: df-bi 147 df-an 225 df-ex 981 df-ral 1649 df-rex 1650 |