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| Mirrors > Home > MPE Home > Th. List > exlimiiv | Structured version Visualization version GIF version | ||
| Description: Inference (Rule C) associated with exlimiv 1963. (Contributed by BJ, 19-Dec-2020.) |
| Ref | Expression |
|---|---|
| exlimiv.1 | ⊢ (𝜑 → 𝜓) |
| exlimiiv.2 | ⊢ ∃𝑥𝜑 |
| Ref | Expression |
|---|---|
| exlimiiv | ⊢ 𝜓 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | exlimiiv.2 | . 2 ⊢ ∃𝑥𝜑 | |
| 2 | exlimiv.1 | . . 3 ⊢ (𝜑 → 𝜓) | |
| 3 | 2 | exlimiv 1963 | . 2 ⊢ (∃𝑥𝜑 → 𝜓) |
| 4 | 1, 3 | ax-mp 5 | 1 ⊢ 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: equid 2045 ax7 2049 sbcom2 2209 ax12v2 2217 19.8a 2219 ax6e 2414 axc11n 2457 vtocle 3521 bm1.3iiOLD 5263 vneqv 5277 axprlem2 5393 axpr 5396 axprlem1OLD 5397 axprOLD 5401 elirrv 9572 elirrvOLD 9573 inf3 9617 omex 9625 epfrs 9713 kmlem2 10157 axcc2lem 10441 dcomex 10452 axdclem2 10525 pwcfsdom 10595 grothpw 10838 grothpwex 10839 grothomex 10841 grothac 10842 cnso 16339 aannenlem3 26563 mulog2sum 27771 axnulALT3 35603 axprALT2 35604 in-ax8 36831 ss-ax8 36832 axtco1from2 37081 axnulregtco 37086 regsfromregtco 37144 mh-inf3sn 37148 bj-ax12 37374 bj-ax6e 37385 wl-spae 38271 ormkglobd 47692 |
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