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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 2806), 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 2806 | . 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 2202 Vcvv 2803 |
| 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 1496 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-ext 2213 |
| This theorem depends on definitions: df-bi 117 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-v 2805 |
| This theorem is referenced by: xpiindim 4873 disjxp1 6410 cnvimadfsn 6423 ixpiinm 6936 ixpsnf1o 6948 modom 7037 eqsndc 7138 iunfidisj 7188 ssfii 7216 fifo 7222 dcfi 7223 omp1eomlem 7336 exmidomniim 7383 bcval5 11071 rexfiuz 11612 fsum2dlemstep 12058 fsumcnv 12061 fisumcom2 12062 fsumconst 12078 modfsummodlemstep 12081 fsumabs 12089 fprodcllemf 12237 fprod2dlemstep 12246 fprodcnv 12249 fprodcom2fi 12250 fprodmodd 12265 4sqleminfi 13033 ennnfonelemim 13108 topnfn 13390 ptex 13410 prdsvallem 13418 prdsval 13419 xpsff1o 13495 ismgm 13503 issgrp 13549 ismnddef 13564 isnsg 13852 fnmgp 13999 isrng 14011 isring 14077 dfrhm2 14232 znval 14715 iuncld 14909 txbas 15052 txdis 15071 xmetunirn 15152 xmettxlem 15303 xmettx 15304 gausslemma2dlem1a 15860 isuhgrm 15995 isushgrm 15996 isupgren 16019 upgrex 16027 isumgren 16029 isuspgren 16081 isusgren 16082 vtxdgfval 16212 clwwlknon 16353 pw1nct 16708 |
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