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| Description: Relationship between restricted universal and existential quantifiers. |
| Ref | Expression |
|---|---|
| rexnal |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | exanali 1390 |
. 2
| |
| 2 | df-rex 2110 |
. 2
| |
| 3 | df-ral 2109 |
. . 3
| |
| 4 | 3 | notbii 204 |
. 2
|
| 5 | 1, 2, 4 | 3bitr4i 200 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: dfral2 2115 rexanali 2144 2ralor 2250 uni0b 3203 iundif2 3322 elpwunsn 3856 ixp0 5420 isfinite2 5639 ordiso 5683 ordtypelem7 5690 unbndrank 5794 ac6n 5919 kmlem3 5929 kmlem7 5933 kmlem8 5934 kmlem13 5939 alephval2 6050 cfeq0 6062 arch 7280 xrsupsslem 7285 xrinfmsslem 7286 supxrbnd 7300 supxrbnd1 7304 supxrbnd2 7305 climunii 8358 climubii 8413 infxpidmlem8 8828 fctop 8920 cctop 8922 bcthlem33 9309 nmounbi 9778 hausfillim 10303 hlimuniii 10741 nmcopexlem1 11588 nmcfnexlem1 11617 bnj3 12368 alzdvds 13695 axdenselem4 14022 axdenselem5 14023 axfelem11 14041 axfelem15 14045 negcmpprcal2 14276 fordisxex 14291 dstr 14516 iintlem1 15010 lvsovso2 15039 supnuf 15041 supexr 15043 ordisoOLD 15374 ordtypelem7OLD 15381 reconnlem1 15446 reconnlem4 15449 isufil2 15565 ufileu 15573 fcluscf 15612 flimfnfcls 15615 2ralorOLD 15655 heiborlem23 15977 smprngpr 16200 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-gen 1305 ax-4 1319 ax-5o 1321 |
| This theorem depends on definitions: df-bi 164 df-an 242 df-ex 1327 df-ral 2109 df-rex 2110 |