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| Mirrors > Home > MPE Home > Th. List > exlimivv | Structured version Visualization version GIF version | ||
| Description: Inference form of Theorem 19.23 of [Margaris] p. 90, see 19.23 2247. (Contributed by NM, 1-Aug-1995.) |
| Ref | Expression |
|---|---|
| exlimivv.1 | ⊢ (𝜑 → 𝜓) |
| Ref | Expression |
|---|---|
| exlimivv | ⊢ (∃𝑥∃𝑦𝜑 → 𝜓) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | exlimivv.1 | . . 3 ⊢ (𝜑 → 𝜓) | |
| 2 | 1 | exlimiv 1963 | . 2 ⊢ (∃𝑦𝜑 → 𝜓) |
| 3 | 2 | exlimiv 1963 | 1 ⊢ (∃𝑥∃𝑦𝜑 → 𝜓) |
| 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: cgsex2g 3495 cgsex4g 3496 opabss 5169 dtruALT2 5335 exneq 5411 copsexgw 5466 copsexgwOLD 5467 copsexg 5468 elopab 5505 0nelelxp 5690 elvvuni 5732 optocl 5749 optoclOLD 5750 relopabiALT 5804 relop 5830 elreldm 5919 xpnz 6151 xpdifid 6160 xpdifcnvepel 6161 dfco2a 6242 unielrel 6271 unixp0 6281 funsndifnop 7149 fmptsng 7167 oprabidw 7445 oprabid 7446 oprabv 7474 1stval2 8004 2ndval2 8005 1st2val 8015 2nd2val 8016 xp1st 8019 xp2nd 8020 frxp 8125 poxp 8127 soxp 8128 rntpos 8238 dftpos4 8244 tpostpos 8245 frrlem4 8289 tfrlem7 8373 ener 9008 domtr 9014 funen1cnv 9036 unen 9053 xpsnen 9060 undom 9064 sbthlem10 9095 mapen 9140 cnvfi 9171 entrfil 9180 domtrfil 9187 sbthfilem 9193 djuunxp 9927 fseqen 10031 dfac5lem4 10130 kmlem16 10169 axdc4lem 10458 hashfacen 14520 hashle2pr 14543 fundmge2nop0 14568 catcone0 17776 gictr 19404 dvdsrval 20503 rictr 20664 rngqiprngimfo 21505 thlle 21911 hmphtr 24010 fsumdvdsmul 27432 griedg0ssusgr 29726 rgrusgrprc 30050 loop1cycl 30624 numclwwlk1lem2fo 30839 frgrregord013 30876 friendship 30880 nvss 31075 spanuni 32026 5oalem7 32142 3oalem3 32146 opabssi 33087 gsummpt2co 33489 qqhval2 34493 bnj605 35417 bnj607 35426 fineqvac 35643 satfv1 35943 sat1el2xp 35959 fmla0xp 35963 satefvfmla0 35998 mppspstlem 36151 mppsval 36152 pprodss4v 36462 sscoid 36491 colinearex 36641 copsex2b 37893 pr2cv 44389 stoweidlem35 46864 funop1 48172 sprsymrelfvlem 48391 grictr 48840 uspgrsprf 49063 uspgrsprf1 49064 rrx2plordisom 49654 eloprab1st2nd 49797 |
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