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| Mirrors > Home > MPE Home > Th. List > eximii | Structured version Visualization version GIF version | ||
| Description: Inference associated with eximi 1868. (Contributed by BJ, 3-Feb-2018.) |
| Ref | Expression |
|---|---|
| eximii.1 | ⊢ ∃𝑥𝜑 |
| eximii.2 | ⊢ (𝜑 → 𝜓) |
| Ref | Expression |
|---|---|
| eximii | ⊢ ∃𝑥𝜓 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eximii.1 | . 2 ⊢ ∃𝑥𝜑 | |
| 2 | eximii.2 | . . 3 ⊢ (𝜑 → 𝜓) | |
| 3 | 2 | eximi 1868 | . 2 ⊢ (∃𝑥𝜑 → ∃𝑥𝜓) |
| 4 | 1, 3 | ax-mp 5 | 1 ⊢ ∃𝑥𝜓 |
| 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 |
| This proof depends on definitions: df-bi 210 df-ex 1813 |
| This theorem is used by: exan 1895 ax6evr 2048 spimedv 2236 spimfv 2278 ax6e 2417 spim 2421 spimed 2422 spimvALT 2425 spei 2428 equvini 2489 equvel 2490 euequ 2627 dariiALT 2695 barbariALT 2699 festinoALT 2704 barocoALT 2706 daraptiALT 2714 ceqsexv2d 3506 axrep2 5243 axnul 5270 exnelv 5278 nalsetOLD 5280 notsep 5336 axpow3 5341 elALT2 5342 dtruALT2 5343 dvdemo1 5346 dvdemo2 5347 eusv2nf 5368 axprALT 5395 axprlem1 5396 axprOLD 5405 exel 5417 el 5421 uniex2 7745 elirrvOLD 9567 inf1 9598 omex 9619 bnd 9891 axpowndlem2 10598 grothomex 10829 tgjustc1 28795 tgjustc2 28796 bnj101 35177 axnulALT3 35560 axprALT2 35561 axsepg2 35610 axsepg3 35611 axsepg3ALT 35612 axsepg4 35613 axpowg2 35617 axpowg3 35618 axextdfeq 36324 ax8dfeq 36325 axextndbi 36331 snelsingles 36449 axtco 37039 axtco2 37042 axuntco 37047 elALTtco 37049 tz9.1tco 37051 ttcexg 37100 bj-ax6elem2 37346 ax6er 37525 bj-vtoclf 37607 wl-exeq 38246 exbiii 43037 sn-exelALT 43048 spd 50513 elpglem2 50547 eximp-surprise2 50620 |
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