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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 1044 |
. 2
| |
| 2 | df-ral 1652 |
. 2
| |
| 3 | df-rex 1653 |
. . 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 1659 ralinexa 1686 nrex 1732 nrexdv 1733 ra4esbca 2002 iindif2 2616 ordunisuc2 3121 tfi 3132 rexxp 3225 canth 3913 omsdomnn 4538 isfinite2 4557 isfinite2OLD 4558 supmo 4585 elirrv 4607 unbndrank 4693 ac9s 4774 kmlem7 4781 kmlem8 4782 kmlem13 4787 zorn2lem4 4801 arch 6073 xrsupsslem 6078 xrinfmsslem 6079 supxrre 6085 supxrbnd 6093 supxrbnd1 6097 supxrbnd2 6098 sqr2irrlem3 6727 climunii 7098 clsval2 7682 ntreq0 7705 qdensere 7748 bcthlem7 8002 bcthlem28 8023 nmounbi 8435 lnon0 8454 hlimunii 9103 large 10189 cvbr2t 10205 chrelat2 10287 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-gen 965 ax-4 975 ax-5o 977 |
| This theorem depends on definitions: df-bi 147 df-an 225 df-ex 983 df-ral 1652 df-rex 1653 |