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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 2249. (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 1966 | . 2 ⊢ (𝜑 → (∃𝑦𝜓 → 𝜒)) |
| 3 | 2 | exlimdv 1966 | 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 1943 |
| This proof depends on definitions: df-bi 210 df-ex 1813 |
| This theorem is used by: euotd 5494 brab2d 5520 opabssxpd 5706 dfpo2 6298 funopg 6571 fmptsnd 7171 tpres 7204 opreuopreu 8035 frxp2 8146 frxp3 8153 fundmen 9042 ttrcltr 9699 infxpenc2 10029 zorn2lem6 10507 fpwwe2lem11 10654 genpnnp 11018 addsrmo 11086 mulsrmo 11087 hashfun 14506 hash2exprb 14540 hash3tpexb 14563 rtrclreclem3 15137 summo 15807 fsum2dlem 15860 ntrivcvgmul 15995 prodmo 16029 fprod2dlem 16073 iscatd2 17775 mgmn0plusgf 18747 mgmn0plusgplusf 18748 gsumval3eu 20037 gsum2d2 20107 ptbasin 23809 txcls 23836 txbasval 23838 reconn 25061 phtpcer 25229 pcohtpy 25254 mbfi1flimlem 25956 mbfmullem 25959 itg2add 25993 fsumvma 27457 umgr3v3e3cycl 30672 conngrv2edg 30683 2ndresdju 33130 cusgracyclt3v 35743 pconnconn 35818 txsconn 35828 neibastop1 36986 cgsex2gd 37897 itg2addnc 38431 riscer 38746 dalem62 40615 pellexlem5 43682 pellex 43684 nnoeomeqom 44161 iunrelexpuztr 44567 fzisoeu 46141 stoweidlem53 46889 stoweidlem56 46892 fundcmpsurinjpreimafv 48316 ichnreuop 48380 cycldlenngric 48852 brab2dd 49764 |
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