| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > cbvmptv | GIF version | ||
| Description: Rule to change the bound variable in a maps-to function, using implicit substitution. (Contributed by Mario Carneiro, 19-Feb-2013.) |
| Ref | Expression |
|---|---|
| cbvmptv.1 | ⊢ (𝑥 = 𝑦 → 𝐵 = 𝐶) |
| Ref | Expression |
|---|---|
| cbvmptv | ⊢ (𝑥 ∈ 𝐴 ↦ 𝐵) = (𝑦 ∈ 𝐴 ↦ 𝐶) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nfcv 2372 | . 2 ⊢ Ⅎ𝑦𝐵 | |
| 2 | nfcv 2372 | . 2 ⊢ Ⅎ𝑥𝐶 | |
| 3 | cbvmptv.1 | . 2 ⊢ (𝑥 = 𝑦 → 𝐵 = 𝐶) | |
| 4 | 1, 2, 3 | cbvmpt 4182 | 1 ⊢ (𝑥 ∈ 𝐴 ↦ 𝐵) = (𝑦 ∈ 𝐴 ↦ 𝐶) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1395 ↦ cmpt 4148 |
| 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-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-ext 2211 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-nf 1507 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-v 2802 df-un 3202 df-sn 3673 df-pr 3674 df-op 3676 df-opab 4149 df-mpt 4150 |
| This theorem is referenced by: fnmptfvd 5747 frecsuc 6568 pw2f1odclem 7015 xpmapen 7031 omp1eom 7288 fodjuomni 7342 fodjumkv 7353 nninfwlporlemd 7365 nninfwlpor 7367 nninfwlpoim 7372 nninfinfwlpo 7373 caucvgsrlembnd 8014 negiso 9128 infrenegsupex 9821 frec2uzsucd 10656 frecuzrdgdom 10673 frecuzrdgfun 10675 frecuzrdgsuct 10679 0tonninf 10695 1tonninf 10696 seq3f1oleml 10771 seq3f1o 10772 hashfz1 11038 xrnegiso 11816 infxrnegsupex 11817 climcvg1n 11904 summodc 11937 zsumdc 11938 fsum3 11941 fsumadd 11960 prodmodc 12132 zproddc 12133 fprodseq 12137 phimullem 12790 eulerthlemh 12796 eulerthlemth 12797 ennnfonelemnn0 13036 ennnfonelemr 13037 ctinfom 13042 grplactcnv 13678 expcn 15286 cdivcncfap 15321 expcncf 15326 ivthdich 15370 plyadd 15468 plymul 15469 plyco 15476 plycjlemc 15477 plycj 15478 dvply2g 15483 lgseisenlem3 15794 2sqlem1 15836 bj-charfunbi 16356 subctctexmid 16551 nninfsellemqall 16567 nninfomni 16571 nninffeq 16572 exmidsbthrlem 16576 exmidsbthr 16577 isomninn 16585 iswomninn 16604 ismkvnn 16607 |
| Copyright terms: Public domain | W3C validator |