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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 2816), 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 2816 | . 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 2203 Vcvv 2813 |
| 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 2214 |
| This theorem depends on definitions: df-bi 117 df-sb 1812 df-clab 2219 df-cleq 2225 df-clel 2228 df-v 2815 |
| This theorem is referenced by: xpiindim 4892 disjxp1 6432 cnvimadfsn 6445 ixpiinm 6959 ixpsnf1o 6971 modom 7061 eqsndc 7163 iunfidisj 7213 ssfii 7261 fifo 7267 dcfi 7268 omp1eomlem 7385 exmidomniim 7432 bcval5 11125 hashmap 11192 hashfibclem 11206 rexfiuz 11674 fsum2dlemstep 12120 fsumcnv 12123 fisumcom2 12124 fsumconst 12140 modfsummodlemstep 12143 fsumabs 12151 fprodcllemf 12299 fprod2dlemstep 12308 fprodcnv 12311 fprodcom2fi 12312 fprodmodd 12327 4sqleminfi 13095 ennnfonelemim 13175 topnfn 13457 ptex 13477 prdsvallem 13485 prdsval 13486 xpsff1o 13562 ismgm 13570 issgrp 13616 ismnddef 13631 isnsg 13919 fnmgp 14066 isrng 14078 isring 14144 dfrhm2 14299 znval 14784 iuncld 14980 txbas 15123 txdis 15142 xmetunirn 15223 xmettxlem 15374 xmettx 15375 gausslemma2dlem1a 15931 isuhgrm 16066 isushgrm 16067 isupgren 16090 upgrex 16098 isumgren 16100 isuspgren 16152 isusgren 16153 vtxdgfval 16283 clwwlknon 16424 pw1nct 16777 |
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