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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 2234 spimfv 2276 ax6e 2413 spim 2417 spimed 2418 spimvALT 2421 spei 2424 equvini 2485 equvel 2486 euequ 2623 dariiALT 2691 barbariALT 2695 festinoALT 2700 barocoALT 2702 daraptiALT 2710 ceqsexv2d 3500 axrep2 5235 axnul 5259 exnelv 5267 nalsetOLD 5269 notsep 5325 axpow3 5330 elALT2 5331 dtruALT2 5332 dvdemo1 5335 dvdemo2 5336 eusv2nf 5357 axprALT 5384 axprlem1 5385 exel 5402 el 5406 uniex2 7752 elirrvOLD 9585 inf1 9616 omex 9637 bnd 9948 axpowndlem2 10676 grothomex 10907 tgjustc1 28930 tgjustc2 28931 bnj101 35347 axnulALT3 35722 axprALT2 35723 axsepg2 35791 axsepg3 35792 axsepg3ALT 35793 axsepg4 35794 axpowg2 35798 axpowg3 35799 axextdfeq 36539 ax8dfeq 36540 axextndbi 36546 snelsingles 36664 axtco 37239 axtco2 37242 axuntco 37247 elALTtco 37249 tz9.1tco 37251 ttcexg 37300 bj-ax6elem2 37546 ax6er 37725 bj-vtoclf 37807 wl-exeq 38446 exbiii 43242 sn-exelALT 43253 spd 50755 elpglem2 50774 eximp-surprise2 50850 |
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