| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > r19.42v | Structured version Visualization version GIF version | ||
| Description: Restricted quantifier version of 19.42v 1954 (see also 19.42 2241). (Contributed by NM, 27-May-1998.) |
| Ref | Expression |
|---|---|
| r19.42v | ⊢ (∃𝑥 ∈ 𝐴 (𝜑 ∧ 𝜓) ↔ (𝜑 ∧ ∃𝑥 ∈ 𝐴 𝜓)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | r19.41v 3164 | . 2 ⊢ (∃𝑥 ∈ 𝐴 (𝜓 ∧ 𝜑) ↔ (∃𝑥 ∈ 𝐴 𝜓 ∧ 𝜑)) | |
| 2 | ancom 460 | . . 3 ⊢ ((𝜑 ∧ 𝜓) ↔ (𝜓 ∧ 𝜑)) | |
| 3 | 2 | rexbii 3081 | . 2 ⊢ (∃𝑥 ∈ 𝐴 (𝜑 ∧ 𝜓) ↔ ∃𝑥 ∈ 𝐴 (𝜓 ∧ 𝜑)) |
| 4 | ancom 460 | . 2 ⊢ ((𝜑 ∧ ∃𝑥 ∈ 𝐴 𝜓) ↔ (∃𝑥 ∈ 𝐴 𝜓 ∧ 𝜑)) | |
| 5 | 1, 3, 4 | 3bitr4i 303 | 1 ⊢ (∃𝑥 ∈ 𝐴 (𝜑 ∧ 𝜓) ↔ (𝜑 ∧ ∃𝑥 ∈ 𝐴 𝜓)) |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 206 ∧ wa 395 ∃wrex 3058 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-ex 1781 df-rex 3059 |
| This theorem is referenced by: ceqsrexbv 3608 ceqsrex2v 3610 2reuswap 3702 2reuswap2 3703 2reu5 3714 2rmoswap 3717 dfiun2g 4983 iunrab 5006 iunin2 5024 iundif2 5027 reusv2lem4 5344 iunopab 5505 cnvuni 5833 elidinxp 6001 xpdifid 6124 dfpo2 6252 elunirn 7195 f1oiso 7295 oprabrexex2 7920 oeeu 8529 trcl 9635 dfac5lem2 10032 axgroth4 10741 rexuz2 12810 4fvwrd4 13562 divalglem10 16327 divalgb 16329 lsmelval2 21035 tgcmp 23343 hauscmplem 23348 unisngl 23469 xkobval 23528 txtube 23582 txcmplem1 23583 txkgen 23594 xkococnlem 23601 mbfaddlem 25615 mbfsup 25619 elaa 26278 dchrisumlem3 27456 elold 27841 colperpexlem3 28753 midex 28758 iscgra1 28831 ax5seg 28960 edglnl 29165 usgr2pth0 29787 hhcmpl 31224 sumdmdii 32439 reuxfrdf 32514 unipreima 32670 fpwrelmapffslem 32760 elirng 33792 esumfsup 34176 reprdifc 34733 bnj168 34835 bnj1398 35139 cvmliftlem15 35441 ellines 36295 bj-elsngl 37112 bj-dfmpoa 37262 ptrecube 37760 cnambfre 37808 islshpat 39216 lfl1dim 39320 glbconxN 39577 3dim0 39656 2dim 39669 1dimN 39670 islpln5 39734 islvol5 39778 dalem20 39892 lhpex2leN 40212 mapdval4N 41831 rexrabdioph 42978 rmxdioph 43200 expdiophlem1 43205 imaiun1 43834 coiun1 43835 ismnuprim 44477 prmunb2 44494 fourierdlem48 46340 2reuimp0 47302 2reuimp 47303 wtgoldbnnsum4prm 47990 bgoldbnnsum3prm 47992 dfvopnbgr2 48041 stgredgiun 48146 islindeps2 48671 isldepslvec2 48673 sepnsepolem1 49109 |
| Copyright terms: Public domain | W3C validator |