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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 2248. (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 3496 cgsex4g 3497 opabss 5169 dtruALT2 5332 exneq 5404 copsexgw 5460 copsexgwOLD 5461 copsexg 5462 cotsexgw 5463 elopab 5501 0nelelxp 5686 elvvuni 5728 optocl 5745 optoclOLD 5746 relopabiALT 5801 relop 5828 elreldm 5917 xpnz 6150 xpdifid 6159 xpdifcnvepel 6160 dfco2a 6247 unielrel 6276 unixp0 6286 funsndifnop 7155 fmptsng 7173 oprabidw 7451 oprabid 7452 oprabv 7480 1stval2 8018 2ndval2 8019 1st2val 8029 2nd2val 8030 xp1st 8033 xp2nd 8034 frxp 8138 poxp 8140 soxp 8141 rntpos 8256 dftpos4 8262 tpostpos 8263 frrlem4 8307 tfrlem7 8391 ener 9028 domtr 9034 funen1cnv 9056 unen 9073 xpsnen 9080 undom 9084 sbthlem10 9115 mapen 9160 cnvfi 9191 entrfil 9200 domtrfil 9207 sbthfilem 9213 djuunxp 10002 fseqen 10106 dfac5lem4 10205 kmlem16 10244 axdc4lem 10533 hashfacen 14599 hashle2pr 14622 fundmge2nop0 14647 catcone0 17861 gictr 19490 dvdsrval 20591 rictr 20752 rngqiprngimfo 21597 thlle 22003 hmphtr 24102 fsumdvdsmul 27522 griedg0ssusgr 29846 rgrusgrprc 30170 loop1cycl 30744 numclwwlk1lem2fo 30959 frgrregord013 30996 friendship 31000 nvss 31195 spanuni 32146 5oalem7 32262 3oalem3 32266 opabssi 33207 gsummpt2co 33609 qqhval2 34614 bnj605 35537 bnj607 35546 fineqvac 35784 satfv1 36128 sat1el2xp 36144 fmla0xp 36148 satefvfmla0 36183 mppspstlem 36336 mppsval 36337 pprodss4v 36646 sscoid 36675 colinearex 36825 copsex2b 38061 pr2cv 44548 stoweidlem35 47044 funop1 48352 sprsymrelfvlem 48571 grictr 49020 uspgrsprf 49243 uspgrsprf1 49244 rrx2plordisom 49834 eloprab1st2nd 49977 |
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