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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 2251. (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 1968 | . 2 ⊢ (𝜑 → (∃𝑦𝜓 → 𝜒)) |
| 3 | 2 | exlimdv 1968 | 1 ⊢ (𝜑 → (∃𝑥∃𝑦𝜓 → 𝜒)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∃wex 1812 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 |
| This proof depends on definitions: df-bi 210 df-ex 1813 |
| This theorem is used by: euotd 5491 brab2d 5517 opabssxpd 5703 dfpo2 6320 funopg 6597 fmptsnd 7200 tpres 7233 opreuopreu 8073 frxp2 8191 frxp3 8198 fundmen 9090 ttrcltr 9747 infxpenc2 10131 zorn2lem6 10609 fpwwe2lem11 10756 genpnnp 11120 addsrmo 11188 mulsrmo 11189 hashfun 14612 hash2exprb 14646 hash3tpexb 14669 rtrclreclem3 15245 summo 15915 fsum2dlem 15968 ntrivcvgmul 16103 prodmo 16135 fprod2dlem 16179 iscatd2 17887 mgmn0plusgf 18859 mgmn0plusgplusf 18860 gsumval3eu 20151 gsum2d2 20221 ptbasin 23929 txcls 23956 txbasval 23958 reconn 25181 phtpcer 25349 pcohtpy 25374 mbfi1flimlem 26076 mbfmullem 26079 itg2add 26113 fsumvma 27573 umgr3v3e3cycl 30818 conngrv2edg 30829 2ndresdju 33318 cusgracyclt3v 36091 pconnconn 36176 txsconn 36186 neibastop1 37338 cgsex2gd 38263 itg2addnc 38797 riscer 39125 dalem62 40994 pellexlem5 44044 pellex 44046 nnoeomeqom 44517 iunrelexpuztr 44922 fzisoeu 46531 stoweidlem53 47278 stoweidlem56 47281 fundcmpsurinjpreimafv 48705 ichnreuop 48769 cycldlenngric 49241 brab2dd 50154 |
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