Module 05 · lesson 5 of 5
“Lock the words before you lock the attributes.”
This checkpoint opens the path to Peter, Andrew, and the full roster.
Threshold
You are at the threshold
Complete this quick check to confirm apostolic vocabulary. Then Module B begins with Peter and Andrew — keys and saltire cross.
.jpg/960px-Entrega_de_las_llaves_a_San_Pedro_(Perugino).jpg)
The Delivery of the Keys
Perugino’s Sistine Chapel fresco — the definitive image of Petrine keys and apostolic authority.
Pietro Perugino, Sistine Chapel, c. 1481–1482
Terms at a glance
Apostle
One sent with authority to witness to the Resurrection — the canonical Twelve.
Martyr
Witness by death — distinct from apostolic office.
Evangelist
Gospel author with symbolic animal — Matthew and John among the Twelve.
Disciple
Wider follower — not one of the Twelve at table.
Visual anchors for your checkpoint
Keys of Peter
The strongest single-attribute anchor in Western apostolic art.
El Greco
Scallop shell
Pilgrimage iconography — shell, staff, and hat.
Guido Reni
The Last Supper
Twelve seats at table — the canonical headcount artists return to.
Leonardo da Vinci, Santa Maria delle Grazie, Milan
Your goal this lesson
Verify foundational vocabulary—apostle, martyr, evangelist—before advancing to attribute-based recognition modules.
Memory hooks
Tap to flipFull lesson text
Optional reading — the visual sections above cover the essentials.
From the tradition
Sent to witness
Apostolic office centers on Resurrection witness—distinct from Gospel authorship (evangelist) or death witness (martyr) alone.
Try it yourself
Quick recap
Terms at a glance
Study challenge
Recite the Twelve
Checkpoint question 1 of 3
Which term best describes “one sent” with authority to witness to the Resurrection?
Key takeaway
Apostle = sent witness; lock that definition before studying keys and shells.
You practiced: Verify foundational vocabulary—apostle, martyr, evangelist—before advancing to attribute-based recognition modules.
Checkpoint question 2 of 3
How many apostles form the canonical roster after Matthias replaces Judas?
Checkpoint question 3 of 3
Which figure is outside the scope of this course’s apostolic roster?