| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2209 Vcvv 2821 |
| This proof depends on 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 proof depends on definitions: df-bi 117 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-v 2823 |
| This theorem is used by: xpiindim 4919 disjxp1 6476 cnvimadfsn 6489 ixpiinm 7012 ixpsnf1o 7024 modom 7114 eqsndc 7216 iunfidisj 7266 relresfin 7270 ssfii 7313 fifo 7319 dcfi 7320 omp1eomlem 7440 exmidomniim 7487 bcval5 11222 hashmap 11289 hashfibclem 11303 hashf1lem2 11307 hashf1 11308 rexfiuz 11776 fiidxsupcl 12017 fsum2dlemstep 12225 fsumcnv 12228 fisumcom2 12229 fsumconst 12245 modfsummodlemstep 12248 fsumabs 12256 fprodcllemf 12404 fprod2dlemstep 12413 fprodcnv 12416 fprodcom2fi 12417 fprodmodd 12432 4sqleminfi 13204 ennnfonelemim 13372 topnfn 13656 ptex 13676 prdsvallem 13679 xpsff1o 13728 ismgm 13735 issgrp 13776 ismnddef 13789 isnsg 14063 gsumconstcmn 14265 gsum2d2fi 14273 prdsval 14279 fnmgp 14325 isrng 14339 isring 14410 dfrhm2 14569 znval 15079 psrbagmaxlem1 15178 psrridmfi 15209 iuncld 15358 txbas 15501 txdis 15520 xmetunirn 15601 xmettxlem 15752 xmettx 15753 logfac 16143 gausslemma2dlem1a 16399 isuhgrm 16534 isushgrm 16535 isupgren 16558 upgrex 16566 isumgren 16568 isuspgren 16620 isusgren 16621 vtxdgfval 16751 clwwlknon 16892 pw1nct 17255 |
| Copyright terms: Public domain | W3C validator |