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Mirrors > Home > ILE Home > Th. List > eximi | GIF version |
Description: Inference adding existential quantifier to antecedent and consequent. (Contributed by NM, 5-Aug-1993.) |
Ref | Expression |
---|---|
eximi.1 | ⊢ (𝜑 → 𝜓) |
Ref | Expression |
---|---|
eximi | ⊢ (∃𝑥𝜑 → ∃𝑥𝜓) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | exim 1579 | . 2 ⊢ (∀𝑥(𝜑 → 𝜓) → (∃𝑥𝜑 → ∃𝑥𝜓)) | |
2 | eximi.1 | . 2 ⊢ (𝜑 → 𝜓) | |
3 | 1, 2 | mpg 1428 | 1 ⊢ (∃𝑥𝜑 → ∃𝑥𝜓) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∃wex 1469 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-5 1424 ax-gen 1426 ax-ie1 1470 ax-ie2 1471 ax-4 1488 ax-ial 1515 |
This theorem depends on definitions: df-bi 116 |
This theorem is referenced by: 2eximi 1581 eximii 1582 exsimpl 1597 exsimpr 1598 19.29r2 1602 19.29x 1603 19.35-1 1604 19.43 1608 19.40 1611 19.40-2 1612 exanaliim 1627 19.12 1644 equs4 1704 cbvexh 1729 equvini 1732 sbimi 1738 equs5e 1768 exdistrfor 1773 equs45f 1775 sbcof2 1783 sbequi 1812 spsbe 1815 sbidm 1824 cbvexdh 1899 eumo0 2031 mor 2042 euan 2056 eupickb 2081 2eu2ex 2089 2exeu 2092 rexex 2482 reximi2 2531 cgsexg 2724 gencbvex 2735 gencbval 2737 vtocl3 2745 eqvinc 2812 eqvincg 2813 mosubt 2865 rexm 3467 prmg 3652 bm1.3ii 4057 a9evsep 4058 axnul 4061 dminss 4961 imainss 4962 euiotaex 5112 imadiflem 5210 funimaexglem 5214 brprcneu 5422 fv3 5452 relelfvdm 5461 ssimaex 5490 oprabid 5811 brabvv 5825 ecexr 6442 enssdom 6664 fidcenumlemim 6848 subhalfnqq 7246 prarloc 7335 ltexprlemopl 7433 ltexprlemlol 7434 ltexprlemopu 7435 ltexprlemupu 7436 bdbm1.3ii 13260 bj-inex 13276 bj-2inf 13307 |
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