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Mirrors > Home > MPE Home > Th. List > exlimdvv | Structured version Visualization version GIF version |
Description: Deduction form of Theorem 19.23 of [Margaris] p. 90, see 19.23 2067. (Contributed by NM, 31-Jul-1995.) |
Ref | Expression |
---|---|
exlimdvv.1 | ⊢ (𝜑 → (𝜓 → 𝜒)) |
Ref | Expression |
---|---|
exlimdvv | ⊢ (𝜑 → (∃𝑥∃𝑦𝜓 → 𝜒)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | exlimdvv.1 | . . 3 ⊢ (𝜑 → (𝜓 → 𝜒)) | |
2 | 1 | exlimdv 1848 | . 2 ⊢ (𝜑 → (∃𝑦𝜓 → 𝜒)) |
3 | 2 | exlimdv 1848 | 1 ⊢ (𝜑 → (∃𝑥∃𝑦𝜓 → 𝜒)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∃wex 1695 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 |
This theorem depends on definitions: df-bi 196 df-ex 1696 |
This theorem is referenced by: euotd 4900 funopg 5836 fmptsnd 6340 tpres 6371 opabex2 6997 fundmen 7916 undom 7933 infxpenc2 8728 zorn2lem6 9206 fpwwe2lem12 9342 genpnnp 9706 addsrmo 9773 mulsrmo 9774 hashfun 13084 hash2exprb 13110 rtrclreclem3 13648 summo 14295 fsum2dlem 14343 ntrivcvgmul 14473 prodmo 14505 fprod2dlem 14549 iscatd2 16165 gsumval3eu 18128 gsum2d2 18196 ptbasin 21190 txcls 21217 txbasval 21219 reconn 22439 phtpcer 22602 phtpcerOLD 22603 pcohtpy 22628 mbfi1flimlem 23295 mbfmullem 23298 itg2add 23332 fsumvma 24738 clwlkswlks 26286 usg2wlkonot 26410 2spontn0vne 26414 2spotdisj 26588 pconcon 30467 txscon 30477 dfpo2 30898 neibastop1 31524 itg2addnc 32634 riscer 32957 dalem62 34038 pellexlem5 36415 pellex 36417 iunrelexpuztr 37030 fzisoeu 38455 stoweidlem53 38946 stoweidlem56 38949 umgr3v3e3cycl 41351 conngrv2edg 41362 |
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