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| Mirrors > Home > ILE Home > Th. List > reximi | GIF version | ||
| Description: Inference quantifying both antecedent and consequent. (Contributed by NM, 18-Oct-1996.) |
| Ref | Expression |
|---|---|
| reximi.1 | ⊢ (𝜑 → 𝜓) |
| Ref | Expression |
|---|---|
| reximi | ⊢ (∃𝑥 ∈ 𝐴 𝜑 → ∃𝑥 ∈ 𝐴 𝜓) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | reximi.1 | . . 3 ⊢ (𝜑 → 𝜓) | |
| 2 | 1 | a1i 9 | . 2 ⊢ (𝑥 ∈ 𝐴 → (𝜑 → 𝜓)) |
| 3 | 2 | reximia 2645 | 1 ⊢ (∃𝑥 ∈ 𝐴 𝜑 → ∃𝑥 ∈ 𝐴 𝜓) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2209 ∃wrex 2529 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-5 1500 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-4 1563 ax-ial 1587 |
| This theorem depends on definitions: df-bi 117 df-ral 2533 df-rex 2534 |
| This theorem is referenced by: rexanaliim 2656 r19.29d2r 2695 r19.35-1 2701 r19.40 2705 reu3 3016 ssiun 4052 iinss 4062 elunirn 5966 tfrcllemssrecs 6617 nnawordex 6796 iinerm 6875 erovlem 6895 xpf1o 7138 fidcenumlemim 7263 omniwomnimkv 7501 genprndl 7882 genprndu 7883 appdiv0nq 7925 ltexprlemm 7961 recexsrlem 8135 rereceu 8250 recexre 8900 aprcl 8968 rexanre 11969 climi2 12037 climi0 12038 climcaucn 12100 prodmodclem2 12327 prodmodc 12328 gcdsupex 12717 gcdsupcl 12718 bezoutlemeu 12767 dfgcd3 12770 isnsgrp 13704 rhmdvdsr 14465 eltg2b 15138 lmcvg 15301 cnptoprest 15323 lmtopcnp 15334 txbas 15342 metrest 15590 elply2 15819 2sqlem7 16223 umgr2edg1 16433 umgr2edgneu 16436 bj-charfunbi 16820 bj-findis 16988 |
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