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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 2050 spimedv 2237 spimfv 2279 ax6e 2415 spim 2419 spimed 2420 spimvALT 2423 spei 2426 equvini 2487 equvel 2488 euequ 2625 dariiALT 2693 barbariALT 2697 festinoALT 2702 barocoALT 2704 daraptiALT 2712 ceqsexv2d 3503 axrep2 5241 axnul 5265 exnelv 5273 nalsetOLD 5275 notsep 5332 axpow3 5337 elALT2 5338 dtruALT2 5339 dvdemo1 5342 dvdemo2 5343 eusv2nf 5364 axprALT 5391 axprlem1 5392 exel 5409 el 5413 relopabi 5809 uniex2 7786 elirrvOLD 9629 inf1 9660 omex 9681 bnd 9992 axpowndlem2 10722 grothomex 10953 tgjustc1 28994 tgjustc2 28995 bnj101 35465 axnulALT3 35856 axprALT2 35857 axsepg2 35949 axsepg3 35950 axsepg3ALT 35951 axsepg4 35952 axpowg2 35956 axpowg3 35957 axextdfeq 36774 ax8dfeq 36775 axextndbi 36781 snelsingles 36899 axtco 37474 axtco2 37477 axuntco 37482 elALTtco 37484 tz9.1tco 37486 ttcexg 37535 bj-ax6elem2 37781 ax6er 37960 bj-vtoclf 38042 wl-exeq 38734 exbiii 43528 cbvex2ivw 43529 sn-exelALT 43540 spd 51192 elpglem2 51211 eximp-surprise2 51309 |
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