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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 2818), 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 2818 | . 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 2205 Vcvv 2815 |
| 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 2216 |
| This theorem depends on definitions: df-bi 117 df-sb 1812 df-clab 2221 df-cleq 2227 df-clel 2230 df-v 2817 |
| This theorem is referenced by: xpiindim 4897 disjxp1 6445 cnvimadfsn 6458 ixpiinm 6972 ixpsnf1o 6984 modom 7074 eqsndc 7176 iunfidisj 7226 ssfii 7274 fifo 7280 dcfi 7281 omp1eomlem 7398 exmidomniim 7445 bcval5 11150 hashmap 11217 hashfibclem 11231 rexfiuz 11699 fsum2dlemstep 12145 fsumcnv 12148 fisumcom2 12149 fsumconst 12165 modfsummodlemstep 12168 fsumabs 12176 fprodcllemf 12324 fprod2dlemstep 12333 fprodcnv 12336 fprodcom2fi 12337 fprodmodd 12352 4sqleminfi 13120 ennnfonelemim 13259 topnfn 13541 ptex 13561 prdsvallem 13564 xpsff1o 13613 ismgm 13620 issgrp 13666 ismnddef 13679 isnsg 13955 prdsval 14115 fnmgp 14161 isrng 14173 isring 14243 dfrhm2 14399 znval 14910 iuncld 15106 txbas 15249 txdis 15268 xmetunirn 15349 xmettxlem 15500 xmettx 15501 gausslemma2dlem1a 16057 isuhgrm 16192 isushgrm 16193 isupgren 16216 upgrex 16224 isumgren 16226 isuspgren 16278 isusgren 16279 vtxdgfval 16409 clwwlknon 16550 pw1nct 16903 |
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