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Mirrors > Home > ILE Home > Th. List > fnunsn | Unicode version |
Description: Extension of a function with a new ordered pair. (Contributed by NM, 28-Sep-2013.) (Revised by Mario Carneiro, 30-Apr-2015.) |
Ref | Expression |
---|---|
fnunop.x | |
fnunop.y | |
fnunop.f | |
fnunop.g | |
fnunop.e | |
fnunop.d |
Ref | Expression |
---|---|
fnunsn |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fnunop.f | . . 3 | |
2 | fnunop.x | . . . 4 | |
3 | fnunop.y | . . . 4 | |
4 | fnsng 5235 | . . . 4 | |
5 | 2, 3, 4 | syl2anc 409 | . . 3 |
6 | fnunop.d | . . . 4 | |
7 | disjsn 3638 | . . . 4 | |
8 | 6, 7 | sylibr 133 | . . 3 |
9 | fnun 5294 | . . 3 | |
10 | 1, 5, 8, 9 | syl21anc 1227 | . 2 |
11 | fnunop.g | . . . 4 | |
12 | 11 | fneq1i 5282 | . . 3 |
13 | fnunop.e | . . . 4 | |
14 | 13 | fneq2i 5283 | . . 3 |
15 | 12, 14 | bitri 183 | . 2 |
16 | 10, 15 | sylibr 133 | 1 |
Colors of variables: wff set class |
Syntax hints: wn 3 wi 4 wceq 1343 wcel 2136 cvv 2726 cun 3114 cin 3115 c0 3409 csn 3576 cop 3579 wfn 5183 |
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 1435 ax-7 1436 ax-gen 1437 ax-ie1 1481 ax-ie2 1482 ax-8 1492 ax-10 1493 ax-11 1494 ax-i12 1495 ax-bndl 1497 ax-4 1498 ax-17 1514 ax-i9 1518 ax-ial 1522 ax-i5r 1523 ax-14 2139 ax-ext 2147 ax-sep 4100 ax-pow 4153 ax-pr 4187 |
This theorem depends on definitions: df-bi 116 df-3an 970 df-tru 1346 df-fal 1349 df-nf 1449 df-sb 1751 df-eu 2017 df-mo 2018 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2297 df-ral 2449 df-rex 2450 df-v 2728 df-dif 3118 df-un 3120 df-in 3122 df-ss 3129 df-nul 3410 df-pw 3561 df-sn 3582 df-pr 3583 df-op 3585 df-br 3983 df-opab 4044 df-id 4271 df-xp 4610 df-rel 4611 df-cnv 4612 df-co 4613 df-dm 4614 df-fun 5190 df-fn 5191 |
This theorem is referenced by: tfrlemisucfn 6292 tfr1onlemsucfn 6308 |
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