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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 1962 | . 2 ⊢ (∃𝑦𝜑 → 𝜓) |
| 3 | 2 | exlimiv 1962 | 1 ⊢ (∃𝑥∃𝑦𝜑 → 𝜓) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∃wex 1811 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 |
| This proof depends on definitions: df-bi 210 df-ex 1812 |
| This theorem is used by: cgsex2g 3495 cgsex4g 3496 opabss 5168 dtruALT2 5332 exneq 5404 copsexgw 5460 copsexgwOLD 5461 copsexg 5462 cotsexgw 5463 elopab 5501 0nelelxp 5686 elvvuni 5729 optocl 5746 optoclOLD 5747 relopabiALT 5802 relop 5829 elreldm 5918 xpnz 6152 xpdifid 6161 xpdifcnvepel 6162 dfco2a 6250 unielrel 6279 unixp0 6289 funsndifnop 7160 fmptsng 7177 oprabidw 7455 oprabid 7456 oprabv 7484 1stval2 8022 2ndval2 8023 1st2val 8033 2nd2val 8034 xp1st 8037 xp2nd 8038 frxp 8145 poxp 8147 soxp 8148 rntpos 8264 dftpos4 8270 tpostpos 8271 frrlem4 8315 tfrlem7 8399 ener 9036 domtr 9042 funen1cnv 9064 unen 9081 xpsnen 9088 undom 9092 sbthlem10 9123 mapen 9168 cnvfi 9199 entrfil 9208 domtrfil 9215 sbthfilem 9221 djuunxp 10009 fseqen 10113 dfac5lem4 10212 kmlem16 10251 axdc4lem 10540 hashfacen 14606 hashle2pr 14629 fundmge2nop0 14654 catcone0 17870 gictr 19499 dvdsrval 20600 rictr 20761 rngqiprngimfo 21606 thlle 22012 hmphtr 24111 fsumdvdsmul 27531 griedg0ssusgr 29855 rgrusgrprc 30179 loop1cycl 30753 numclwwlk1lem2fo 30968 frgrregord013 31005 friendship 31009 nvss 31204 spanuni 32155 5oalem7 32271 3oalem3 32275 opabssi 33258 gsummpt2co 33659 qqhval2 34664 bnj605 35587 bnj607 35596 fineqvac 35852 satfv1 36246 sat1el2xp 36262 fmla0xp 36266 satefvfmla0 36301 mppspstlem 36454 mppsval 36455 pprodss4v 36770 sscoid 36799 colinearex 36949 copsex2b 38198 pr2cv 44686 stoweidlem35 47181 funop1 48489 sprsymrelfvlem 48708 grictr 49157 uspgrsprf 49380 uspgrsprf1 49381 rrx2plordisom 49972 eloprab1st2nd 50115 |
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