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| Mirrors > Home > ILE Home > Th. List > elv | GIF version | ||
| Description: Technical lemma used to shorten proofs. If a proposition is implied by 𝑥 ∈ V (which is true, see vex 2824), then it is true. (Contributed by Peter Mazsa, 13-Oct-2018.) |
| Ref | Expression |
|---|---|
| elv.1 | ⊢ (𝑥 ∈ V → 𝜑) |
| Ref | Expression |
|---|---|
| elv | ⊢ 𝜑 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | vex 2824 | . 2 ⊢ 𝑥 ∈ V | |
| 2 | elv.1 | . 2 ⊢ (𝑥 ∈ V → 𝜑) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ 𝜑 |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2209 Vcvv 2821 |
| 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-8 1557 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-ext 2220 |
| This theorem depends on definitions: df-bi 117 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-v 2823 |
| This theorem is referenced by: xpiindim 4912 disjxp1 6462 cnvimadfsn 6475 ixpiinm 6996 ixpsnf1o 7008 modom 7098 eqsndc 7200 iunfidisj 7250 ssfii 7298 fifo 7304 dcfi 7305 omp1eomlem 7424 exmidomniim 7471 bcval5 11179 hashmap 11246 hashfibclem 11260 hashf1lem2 11264 hashf1 11265 rexfiuz 11733 fsum2dlemstep 12179 fsumcnv 12182 fisumcom2 12183 fsumconst 12199 modfsummodlemstep 12202 fsumabs 12210 fprodcllemf 12358 fprod2dlemstep 12367 fprodcnv 12370 fprodcom2fi 12371 fprodmodd 12386 4sqleminfi 13154 ennnfonelemim 13293 topnfn 13575 ptex 13595 prdsvallem 13598 xpsff1o 13647 ismgm 13654 issgrp 13695 ismnddef 13708 isnsg 13982 gsumconstcmn 14143 prdsval 14150 fnmgp 14196 isrng 14208 isring 14278 dfrhm2 14434 znval 14943 iuncld 15139 txbas 15282 txdis 15301 xmetunirn 15382 xmettxlem 15533 xmettx 15534 logfac 15918 gausslemma2dlem1a 16091 isuhgrm 16226 isushgrm 16227 isupgren 16250 upgrex 16258 isumgren 16260 isuspgren 16312 isusgren 16313 vtxdgfval 16443 clwwlknon 16584 pw1nct 16947 |
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