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Mirrors > Home > ILE Home > Th. List > en2i | Unicode version |
Description: Equinumerosity inference from an implicit one-to-one onto function. (Contributed by NM, 4-Jan-2004.) |
Ref | Expression |
---|---|
en2i.1 | |
en2i.2 | |
en2i.3 | |
en2i.4 | |
en2i.5 |
Ref | Expression |
---|---|
en2i |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | en2i.1 | . . . 4 | |
2 | 1 | a1i 9 | . . 3 |
3 | en2i.2 | . . . 4 | |
4 | 3 | a1i 9 | . . 3 |
5 | en2i.3 | . . . 4 | |
6 | 5 | a1i 9 | . . 3 |
7 | en2i.4 | . . . 4 | |
8 | 7 | a1i 9 | . . 3 |
9 | en2i.5 | . . . 4 | |
10 | 9 | a1i 9 | . . 3 |
11 | 2, 4, 6, 8, 10 | en2d 6662 | . 2 |
12 | 11 | mptru 1340 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wb 104 wceq 1331 wtru 1332 wcel 1480 cvv 2686 class class class wbr 3929 cen 6632 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-13 1491 ax-14 1492 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2121 ax-sep 4046 ax-pow 4098 ax-pr 4131 ax-un 4355 |
This theorem depends on definitions: df-bi 116 df-3an 964 df-tru 1334 df-nf 1437 df-sb 1736 df-eu 2002 df-mo 2003 df-clab 2126 df-cleq 2132 df-clel 2135 df-nfc 2270 df-ral 2421 df-rex 2422 df-v 2688 df-un 3075 df-in 3077 df-ss 3084 df-pw 3512 df-sn 3533 df-pr 3534 df-op 3536 df-uni 3737 df-br 3930 df-opab 3990 df-mpt 3991 df-id 4215 df-xp 4545 df-rel 4546 df-cnv 4547 df-co 4548 df-dm 4549 df-rn 4550 df-fun 5125 df-fn 5126 df-f 5127 df-f1 5128 df-fo 5129 df-f1o 5130 df-en 6635 |
This theorem is referenced by: mapsnen 6705 xpsnen 6715 xpassen 6724 |
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