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Mirrors > Home > ILE Home > Th. List > elpm2r | Unicode version |
Description: Sufficient condition for being a partial function. (Contributed by NM, 31-Dec-2013.) |
Ref | Expression |
---|---|
elpm2r |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fdm 5337 | . . . . . . 7 | |
2 | 1 | feq2d 5319 | . . . . . 6 |
3 | 1 | sseq1d 3166 | . . . . . 6 |
4 | 2, 3 | anbi12d 465 | . . . . 5 |
5 | 4 | adantr 274 | . . . 4 |
6 | 5 | ibir 176 | . . 3 |
7 | elpm2g 6622 | . . 3 | |
8 | 6, 7 | syl5ibr 155 | . 2 |
9 | 8 | imp 123 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wb 104 wcel 2135 wss 3111 cdm 4598 wf 5178 (class class class)co 5836 cpm 6606 |
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-in1 604 ax-in2 605 ax-io 699 ax-5 1434 ax-7 1435 ax-gen 1436 ax-ie1 1480 ax-ie2 1481 ax-8 1491 ax-10 1492 ax-11 1493 ax-i12 1494 ax-bndl 1496 ax-4 1497 ax-17 1513 ax-i9 1517 ax-ial 1521 ax-i5r 1522 ax-13 2137 ax-14 2138 ax-ext 2146 ax-sep 4094 ax-pow 4147 ax-pr 4181 ax-un 4405 ax-setind 4508 |
This theorem depends on definitions: df-bi 116 df-3an 969 df-tru 1345 df-fal 1348 df-nf 1448 df-sb 1750 df-eu 2016 df-mo 2017 df-clab 2151 df-cleq 2157 df-clel 2160 df-nfc 2295 df-ne 2335 df-ral 2447 df-rex 2448 df-rab 2451 df-v 2723 df-sbc 2947 df-dif 3113 df-un 3115 df-in 3117 df-ss 3124 df-pw 3555 df-sn 3576 df-pr 3577 df-op 3579 df-uni 3784 df-br 3977 df-opab 4038 df-id 4265 df-xp 4604 df-rel 4605 df-cnv 4606 df-co 4607 df-dm 4608 df-rn 4609 df-iota 5147 df-fun 5184 df-fn 5185 df-f 5186 df-fv 5190 df-ov 5839 df-oprab 5840 df-mpo 5841 df-pm 6608 |
This theorem is referenced by: fpmg 6631 pmresg 6633 ennnfonelemg 12273 lmbrf 12756 ellimc3apf 13170 dvfvalap 13191 dvmulxxbr 13207 dvaddxx 13208 dvmulxx 13209 dviaddf 13210 dvimulf 13211 dvcoapbr 13212 dvmptclx 13221 |
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