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| Mirrors > Home > ILE Home > Th. List > elmapi | Unicode version | ||
| Description: A mapping is a function, forward direction only with superfluous antecedent removed. (Contributed by Stefan O'Rear, 10-Oct-2014.) |
| Ref | Expression |
|---|---|
| elmapi |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elmapex 6947 |
. . 3
| |
| 2 | elmapg 6939 |
. . 3
| |
| 3 | 1, 2 | syl 14 |
. 2
|
| 4 | 3 | ibi 176 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4251 ax-pow 4313 ax-pr 4348 ax-un 4580 ax-setind 4686 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-ral 2533 df-rex 2534 df-v 2823 df-sbc 3052 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-br 4132 df-opab 4194 df-id 4440 df-xp 4782 df-rel 4783 df-cnv 4784 df-co 4785 df-dm 4786 df-rn 4787 df-iota 5340 df-fun 5382 df-fn 5383 df-f 5384 df-fv 5388 df-ov 6091 df-oprab 6092 df-mpo 6093 df-map 6928 |
| This theorem is used by: mapfset 6949 elmapfn 6956 elmapfun 6957 elmapssres 6958 mapsspm 6967 map0b 6972 mapss 6977 mapsncnv 6981 mapen 7150 mapxpen 7152 mapunen 7155 2omap 7324 nninff 7468 ismkvnex 7501 nninfwlpoim 7525 nninfinfwlpo 7526 finacn 7566 acnccim 7644 psrbagf 15163 psrbagfi 15168 mplsubgfilemcl 15215 plycn 15988 dvply2g 15992 bj-charfunr 17041 nninfalllem1 17257 nninfall 17258 nninfsellemdc 17259 nninfsellemqall 17264 nninfomnilem 17267 isomninnlem 17285 trilpo 17299 iswomninnlem 17306 iswomni0 17308 ismkvnnlem 17309 redcwlpo 17312 nconstwlpo 17323 neapmkv 17325 |
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