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Mirrors > Home > ILE Home > Th. List > enref | GIF version |
Description: Equinumerosity is reflexive. Theorem 1 of [Suppes] p. 92. (Contributed by NM, 25-Sep-2004.) |
Ref | Expression |
---|---|
enref.1 | ⊢ 𝐴 ∈ V |
Ref | Expression |
---|---|
enref | ⊢ 𝐴 ≈ 𝐴 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | enref.1 | . 2 ⊢ 𝐴 ∈ V | |
2 | enrefg 6763 | . 2 ⊢ (𝐴 ∈ V → 𝐴 ≈ 𝐴) | |
3 | 1, 2 | ax-mp 5 | 1 ⊢ 𝐴 ≈ 𝐴 |
Colors of variables: wff set class |
Syntax hints: ∈ wcel 2148 Vcvv 2737 class class class wbr 4003 ≈ cen 6737 |
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 709 ax-5 1447 ax-7 1448 ax-gen 1449 ax-ie1 1493 ax-ie2 1494 ax-8 1504 ax-10 1505 ax-11 1506 ax-i12 1507 ax-bndl 1509 ax-4 1510 ax-17 1526 ax-i9 1530 ax-ial 1534 ax-i5r 1535 ax-13 2150 ax-14 2151 ax-ext 2159 ax-sep 4121 ax-pow 4174 ax-pr 4209 ax-un 4433 |
This theorem depends on definitions: df-bi 117 df-3an 980 df-tru 1356 df-nf 1461 df-sb 1763 df-eu 2029 df-mo 2030 df-clab 2164 df-cleq 2170 df-clel 2173 df-nfc 2308 df-ral 2460 df-rex 2461 df-v 2739 df-un 3133 df-in 3135 df-ss 3142 df-pw 3577 df-sn 3598 df-pr 3599 df-op 3601 df-uni 3810 df-br 4004 df-opab 4065 df-id 4293 df-xp 4632 df-rel 4633 df-cnv 4634 df-co 4635 df-dm 4636 df-rn 4637 df-res 4638 df-ima 4639 df-fun 5218 df-fn 5219 df-f 5220 df-f1 5221 df-fo 5222 df-f1o 5223 df-en 6740 |
This theorem is referenced by: ener 6778 en0 6794 phplem2 6852 phplem3 6853 frecfzennn 10425 hashunlem 10783 hashun 10784 znnen 12398 exmidunben 12426 qnnen 12431 enctlem 12432 omctfn 12443 |
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